Americas

An Orbital ATK's Cygnus space craft atop a United Launch Alliance Atlas V rocket launchs from Cape Canaveral Air Force Station to go to the International Space Station as seen from Viera in Brevard County, Fla., Tuesday, March 22, 2016. (Tim Shortt/Florida Today via AP)  NO SALES; MANDATORY CREDIT

Tim Shortt/Florida Today/AP

An Orbital ATK’s Cygnus space craft atop a United Launch Alliance Atlas V rocket launches from Cape Canaveral Air Force Station to go to the International Space Station as seen from Viera in Brevard County, Florida 

HAVANA, CUBA - MARCH 22:  U.S. President Barack Obama walks onto stage before delivering remarks at the Gran Teatro de la Habana Alicia Alonso in the hisoric Habana Vieja, or Old Havana, neighborhood March 22, 2016 in Havana, Cuba. Described as a message to the Cuban people about his vision for the future of Cuba, Obama's speeh will be nationally televised to the 11 million people on the communist-controlled island.  (Photo by Chip Somodevilla/Getty Images)

Chip Somodevilla/Getty

U.S. President Barack Obama walks on stage before delivering remarks at the Gran Teatro de la Habana Alicia Alonso in the hisoric Habana Vieja, Havana, Cuba

Reserved seating awaits attendees of Obama's address to the Cuban people at the Gran Teatro de la Habana Alicia Alonso in Havana...Reserved seating awaits attendees of U.S. President Barack Obama's address to the Cuban people at the Gran Teatro de la Habana Alicia Alonso in Havana March 22, 2016. REUTERS/Jonathan Ernst

Jonathan Ernst/Reuters

Reserved seating awaits attendees of U.S. President Barack Obama’s address to the Cuban people at the Gran Teatro de la Habana Alicia Alonso in Havana 

U.S. President Barack Obama and Cuba's President Raul Castro meet in Havana...U.S. President Barack Obama and Cuba's President Raul Castro hold their first meeting on the second day of Obama's visit to Cuba, in Havana March 21, 2016.     REUTERS/Carlos Barria

Carlos Barria/Reuters

U.S. President Barack Obama and Cuba’s President Raul Castro hold their first meeting in Havana on the second day of Obama’s visit to Cuba

US President Barack Obama (2nd L), First...US President Barack Obama (2nd L), First Lady Michelle Obama (L) and daughters Malia (2nd R) and Sasha (R) disembark from Air Force One at the Jose Marti International Airport in Havana on March 20, 2016. Obama arrived in Cuba to bury the hatchet in a more than half-century-long Cold War conflict that turned the communist island and its giant neighbor into bitter enemies.     AFP PHOTO/Nicholas KAMMNICHOLAS KAMM/AFP/Getty Images

Nicholas Kamn/AFP

US President Barack Obama, First Lady Michelle Obama and daughters Malia and Sasha disembark from Air Force One at the Jose Marti International Airport in Havana, Cuba

Workers of General Motors march against Brazil's President Dilma Rousseff,  former president Luiz Inacio Lula da Silva and oppositions as they carry inflatable dolls depicting Rousseff (L) and opposition senator Aecio Neves, near the GM plant in Sao Jose dos Campos, Brazil, March 18, 2016. The banner with pictures of (L-R)  Rousseff, Lula da Silva, senator Neves, Brazil's Vice President Michel Temer, senator Renan Calheiros and President of the Chamber of Deputies Eduardo Cunha, reads, "Out all of them, General Elections now!". REUTERS/Roosevelt Cassio

Roosevelt Cassio/Reuters

Workers of General Motors march against Brazil’s President Dilma Rousseff, former president Luiz Inacio Lula da Silva and oppositions as they carry inflatable dolls depicting Rousseff and opposition senator Aecio Neves, near the GM plant in Sao Jose dos Campos

Former Brazilian president Luiz Inacio Lula da Silva hugs Brazilian president Dilma Rousseff after he swore as chief of staff in Brasilia

Evaristo Sa/AFP/Getty Images

Former Brazilian president Luiz Inacio Lula da Silva hugs Brazilian president Dilma Rousseff after he swore as chief of staff in Brasilia

Revolutionary Armed Forces of Colombia (FARC) members rest at a camp in the Magdalena Medio region, Antioquia department, Colombia

Luis Acostaluis/AFP/Getty Images

Revolutionary Armed Forces of Colombia (FARC) members rest at a camp in the Magdalena Medio region, Antioquia department, Colombia

A taxi pedals his bicycle, decorated with Cuban and U.S. flags, as he transports a woman holding a sleeping girl, near the Capitolio in Havana, Cuba, Tuesday, March 15, 2016. President Barack Obama will travel to Cuba on March 20. (AP Photo/Ramon Espinosa)

Ramon Espinosa/AP

A taxi pedals his bicycle, decorated with Cuban and U.S. flags, as he transports a woman holding a sleeping girl, near the Capitolio in Havana, Cuba. President Barack Obama will travel to Cuba on March 20

TOPSHOT - Republican US Presidential hop...TOPSHOT - Republican US Presidential hopeful Ohio Governor John Kasich celebrates his Ohio primary victory during voting day rally at Baldwin Wallace University March 15, 2016 in Berea, Ohio. / AFP PHOTO / Brendan SmialowskiBRENDAN SMIALOWSKI/AFP/Getty Images

Brendan Smialowski/AFP

Republican US Presidential hopeful Ohio Governor John Kasich celebrates his Ohio primary victory during voting day rally at Baldwin Wallace University in Berea, Ohio 

Presidential Candidate Bernie Sanders Holds Ohio Campaign Rally...Senator Bernie Sanders, an independent from Vermont and 2016 Democratic presidential candidate, speaks during a campaign rally at the Covelli Centre in Youngstown, Ohio, U.S., on Monday, March 14, 2016. In Democratic forums, Sanders and Hillary Clinton argue that deportations are ripping apart hard-working undocumented people who are merely trying to make a good life for their families, and that the president must show them mercy, even if it means stretching the limits of the law. Photographer: Ty Wright/Bloomberg *** Local Caption *** Bernie Sanders

Ty Wright/Bloomberg

Senator Bernie Sanders, an independent from Vermont and 2016 Democratic presidential candidate, speaks during a campaign rally at the Covelli Centre in Youngstown, Ohio 

TOPSHOT - The Statue of Liberty is pictu...TOPSHOT - The Statue of Liberty is pictured during sunset in New York, on March 8, 2016.  / AFP / Jewel SAMADJEWEL SAMAD/AFP/Getty Images

Jewel Samad/AFP

The Statue of Liberty is pictured during sunset in New York

Diamondbacks Mariners Spring Baseball...Fans walk through a concourse under a United States flag during the seventh inning of a spring training baseball game between the Seattle Mariners and the Arizona Diamondbacks, Monday, March 7, 2016, in Peoria, Ariz. (AP Photo/Charlie Riedel)

Charlie Riedel/AP

Fans walk through a concourse under a United States flag during the seventh inning of a spring training baseball game between the Seattle Mariners and the Arizona Diamondbacks in Peoria, Arizona

New WTC State-Of-The-Art Transportation Hub "Oculus" Opens To The Public...NEW YORK, NY - MARCH 07: Commuters walk through the Oculus of the partially opened World Trade Center Transportation Hub after nearly 12 years of construction on March 7, 2016 in New York City. The grand structure was designed by Spanish architect Santiago Calatrava at a cost of $4 billion in public money, almost $2 billion over budget. The hub offers connections to the PATH train connecting New York City and New Jersey. (Photo by Spencer Platt/Getty Images)

Spencer Platt/Getty

Commuters walk through the Oculus of the partially opened World Trade Center Transportation Hub after nearly 12 years of construction on Monday in New York City. The grand structure was designed by Spanish architect Santiago Calatrava at a cost of $4 billion in public money, almost $2 billion over budget. The hub offers connections to the PATH train connecting New York City and New Jersey. 

A riot police officer stands inside the University of Tegucigalpa during a protest by students against the murder of indigenous activist Berta Caceres, in La Esperanza, Honduras.

Orlando Sierra/AFP/Getty Images

A riot police officer stands inside the University of Tegucigalpa during a protest by students against the murder of indigenous activist Berta Caceres, in La Esperanza, Honduras.

Voting under way in Super Tuesday US primaries ...epa05188421 Virginia residents wait in line in the pre-dawn hours to vote in the Virginia primary at a historic property called the Hunter House at Nottoway Park in Vienna, Virginia, USA, 01 March 2016. Voters were heading to the polls in a dozen US states on so-called Super Tuesday, the biggest prize yet of the US primary election season to determine the Republican and Democratic presidential candidates.  EPA/JIM LO SCALZO

Jim Lo Scalzo/EPA

Virginia residents wait in line in the pre-dawn hours to vote in the Virginia primary at a historic property called the Hunter House at Nottoway Park in Vienna, Virginia, USA

Hillary Clinton...Democratic presidential candidate Hillary Clinton acknowledges the crowd as she arrives to speak at a "Get Out The Vote" campaign rally in Norfolk, S.C., Monday, Feb. 29, 2016. (AP Photo/Gerald Herbert)

Gerald Herbert/AP

Democratic presidential candidate Hillary Clinton acknowledges the crowd as she arrives to speak at a “Get Out The Vote” campaign rally in Norfolk, Virginia 

U.S. Republican presidential candidate Donald Trump reacts to supporters as he arrives to a campaign event in Radford...U.S. Republican presidential candidate Donald Trump reacts to supporters as he arrives to a campaign event in Radford, Virginia February 29, 2016. REUTERS/Chris Keane

Chris Keane/Reuters

U.S. Republican presidential candidate Donald Trump reacts to supporters as he arrives to a campaign event in Radford, Virginia

R2-D2, C-3PO...R2-D2, left, and C-3PO pose backstage at the Oscars on Sunday, Feb. 28, 2016, at the Dolby Theatre in Los Angeles. (Photo by Matt Sayles/Invision/AP)

Matt Sayles/Invision/AP

R2-D2 and C-3PO pose backstage at the Oscars at the Dolby Theatre in Los Angeles 

A fake dollar bill with US Republican pr...A fake dollar bill with US Republican presidential candidate Donald Trump's picture on it is displayed for sale with other electoral items at a roadside stall as pedestrians walk past in New York on February 26, 2016. White House hopefuls Ted Cruz and Marco Rubio unleashed a barrage of attacks against Donald Trump during raucous Republican debate on February 25, as they sought to halt the billionaire frontrunner's seemingly relentless march to the party's nomination. / AFP / Jewel SamadJEWEL SAMAD/AFP/Getty Images

Jewel Samad/AFP

A fake dollar bill with US Republican presidential candidate Donald Trump’s picture on it is displayed for sale with other electoral items at a roadside stall as pedestrians walk past in New York