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Virginia residents wait in line in the pre-dawn hours to vote in the 2014 US midterm elections at a historic property called the Hunter House at Nottoway Park in Vienna, Virginia, USA, 04 November 2014. Virginia voters are choosing between Democrat Mark Warner and Republican Ed Gillespie for the US Senate. US voters are increasingly disillusioned with Washington as they head to the polls 04 November to elect senators and members of the House of Representatives.

Jim Lo Scalo/EPA

Residents wait in line in the pre-dawn hours to vote in the 2014 US midterm elections at a historic property called the Hunter House at Nottoway Park in Vienna, Virginia

Residents queue to cast their ballots at a polling station in Serewe on October 24, 2014 for the Botswana general elections. Voters went to the polls in Botswana's general elections on October 24, with the ruling party facing an unprecedented test against an invigorated opposition in one of Africa's most stable democracies.

Marco Longari/AFP

Residents queue to cast their ballots at a polling station in Serewe on Friday for the Botswana general elections

South Africans queue to vote at a polling station in Zandspruit, west of Johannesburg, South Africa, Wednesday, May 7, 2014. South Africans voted Wednesday in elections that are expected to see the ruling African National Congress return to power despite a vigorous challenge from opposition parties seeking to capitalize on discontent with corruption and economic inequality. (AP Photo/Themba Hadebe)

AP Photo/Themba Hadebe

South Africans queue to vote at a polling station in Zandspruit, west of Johannesburg

Typhoon victims queue for free food at an evacuation centre in Tacloban city in central Philippines February 13, 2014. Homeless residents are still living in tents and makeshift shelters in evacuation centres nearly 100 days after super Typhoon Haiyan hit central Philippines, local officials said.

Erik De Castro/Reuters

Typhoon victims queue for food at an evacuation centre in Tacloban city in central Philippines on Thursday. Thousands of people made homeless by the super Typhoon Haiyan, which hit the central part of the country nearly 100 days ago, are still living in tents and makeshift shelters.

People queue to receive aid near a camp for internally displaced persons (IDP) in Bangui on December 13, 2013. Aid workers warned of a looming humanitarian crisis in the Central African capital as the UN said more than 600 people have been killed in sectarian violence in the past week and tens of thousands of residents desperate for protection have fled their homes.

Fred Dufour/AFP

People queue to receive aid near a camp for internally displaced persons in Bangui on Friday. Aid workers warned of a looming humanitarian crisis in the Central African Republic capital as the UN said more than 600 people have been killed in sectarian violence in the past week and tens of thousands of residents desperate for protection have fled their homes.

Bangladeshi garment workers employed at Rana Plaza, the garment factory building that collapsed, stand in a queue to receive wages in Savar near Dhaka, Bangladesh, Wednesday May 8, 2013. Dozens of bodies recovered Wednesday from the building were so decomposed they were being sent to a lab for DNA identification, police said, as the death toll from Bangladesh's worst industrial disaster topped 800. (AP Photo/Ismail Ferdous)

Ismail Ferdous/AP

Bangladeshi garment workers employed at Rana Plaza, the garment factory building that collapsed, stand in a queue to receive wages in Savar near Dhaka, Bangladesh on Wednesday. Dozens of bodies recovered Wednesday from the building were so decomposed they were being sent to a lab for DNA identification, police said, as the death toll from Bangladesh’s worst industrial disaster topped 800