Deputy Prime Minister

Nick Clegg Visits A West Country School With His Wife...CHIPPENHAM, ENGLAND - APRIL 29:  Deputy Prime Minister Nick Clegg (C) and his wife Miriam Gonzalez Durantez help make a crumble at Ivy Lane Primary School as he canvasses with local Liberal Democrat candidate for Chippenham Duncan Hames (R) on April 29, 2015 in Chippenham, England. As the campaign enters the final days, the country's political parties are stepping up the campaign to appeal for votes from the indecided electorate.  (Photo by Matt Cardy/Getty Images)

Matt Cardy/Getty

Deputy Prime Minister Nick Clegg and his wife Miriam Gonzalez Durantez help make a crumble at Ivy Lane Primary School as he canvasses with local Liberal Democrat candidate for Chippenham Duncan Hames on Wednesday in Chippenham, England 

Liberal Democrats Autumn Conference, Glasgow. Leader of the Lib Dems and Deputy Prime Minister, Nick Clegg, arrives at the conference hall ahead of his keynote speech this afternoon.

Charlie Bibby/FT

Nick Clegg, leader of the Liberal Democrats and deputy prime minister, arrives at the conference hall ahead of his keynote speech to delegates at the end of the Liberal Democrat Autumn Party conference in Glasgow 

The Liberal Democrats Hold Their Annual Party Conference...GLASGOW, SCOTLAND - SEPTEMBER 16:  Britain's Deputy Prime Minister and Liberal Democrats party leader Nick Clegg speaks during a question and answer session at the Scottish Exhibition and Conference Centre (SECC) on September 16, 2013 in Glasgow, Scotland. Nick Clegg has denied any suggestions of a rift between him and his Cabinet colleague Business secretary Vince Cable over the Liberal Democrats future economic policy.  (Photo by Dan Kitwood/Getty Images)

Dan Kitwood/Getty

Nick Clegg, Britain’s deputy prime minister, speaks during a question and answer session at the Liberal Democrat party conference in Glasgow, Scotland on Monday. Mr Clegg has denied any suggestions of a rift between him and Vince Cable, the business secretary, over the Liberal Democrats future economic policy.