Washington (AFP) – A stalwart of American political life for decades, Joe Biden, 77, has experienced many ups and downs during his long career in Washington. But in the end he won the biggest prize of all — the presidency — after edging out President Donald Trump.Senate at 30 – Active in local politics in Delaware, Biden scored a major surprise aged just 30 when he ousted a well-established Republican senator in the 1972 election.Just few weeks later, Biden’s wife and daughter died in a car accident. He thought of resigning to take care of his injured sons Beau and Hunter, but he was persuad…