Hillary Clinton says she didn't prepare concession speech because she was convinced she would win

Hillary Clinton didn't prepare a concession speech during the US presidential election because she was convinced she would not lose, the former Secretary of State has admitted.Few people in American politics or media had predicted Ms Clinton’s loss – Politico even called it “the biggest upset in US history”.In fact, Ms Clinton said even Donald Trump sounded shocked when she called him to concede the next day.