Bill Clinton
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Bill and Hillary Clinton's 52-year deal

17 July 2014 Last updated at 23:50 BST

Bill Clinton says he made a deal with his wife Hillary that after she supported his political career for 26 years, he would do the same whatever career she chose.

The former US president told BBC Newsnight's Emily Maitlis that Hillary had not asked his opinion on whether she should run for the White House, and they did not feel entitled to win the presidency.