WILMINGTON, Del, Nov 5 (Reuters) -- President Donald Trump called in his lawyers to shore up his dimminbg re-election prospects, but legal experts said the flurry of lawsuits had little chance of changing the outcome but might cast doubt on the process. As Trump's paths to victory narrowed, his campaign on Thursday was ramping up legal challenges and filed its latest case in Nevada. On Wednesday, the campaign sued in Michigan, Pennsylvania and Georgia and asked to join a pending case at the U.S. Supreme Court. Experts said the litigation serves to drag out the vote count and postpone major...