The leader of Britain's opposition Labour Party, Ed Miliband, speaks to supporters earlier this month in London. His party and the ruling Conservative Party have both hired former advisers to President Obama in advance of Britain's national election next year. Peter Macdiarmid/Getty Images hide caption

itoggle caption Peter Macdiarmid/Getty Images

President Obama traveled in the presidential limo with his dog, Bo. Adviser David Axelrod tweeted this photo from the White House Flickr account to tweak the Romney campaign. Pete Souza/White House hide caption

itoggle caption Pete Souza/White House