Liberal Warren throws down gauntlet to President-elect Trump

By Lisa Lambert WASHINGTON (Reuters) - U.S. Democrats' liberal firebrand, Senator Elizabeth Warren, threw down the gauntlet to President-elect Donald Trump on Thursday, telling labor union members there are financial and social issues where her party will fight him and continuing to blast the Republican. Battling bigotry is the first job for Democrats after the election, said Warren, of Massachusetts, giving a sense of how her party will operate now that it no longer controls the White House and