U.K. Labour Party lawmaker Michael Meacher, left, speaks as [Getty Images]

UNITED KINGDOM - MAY 14: U.K. Labour Party lawmaker Michael Meacher, left, speaks as UK member of Parliament John McDonnell, now the sole challenger of Gordon Brown for the position of prime minister, looks on during a news conference in London, U.K., Monday, May 14, 2007. Brown faces only one challenger in his bid to succeed Tony Blair after Meacher stood aside from the contest. (Photo by Michael Crabtree/Bloomberg via Getty Images)

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