TREVOR HUNNICUTT and JAMES OLIPHANT US President-elect Joe Biden has named several top advisers from his election campaign and a Democratic congressman as senior White House aides, sticking with a tight inner circle as he transitions to the White House. Biden is focused on preparing to take over the presidency on January 20, despite President Donald Trump's increasingly tenuous effort to reverse the outcome of the November 3 election. Biden presidential campaign manager Jen O'Malley Dillon, the first woman to lead a winning Democratic presidential bid, will be named deputy chief of staff, Biden said in a statement released by…