NEW You can now listen to Fox News articles! More than 200 journalists have signed an open letter urging the White House Correspondents' Association (WHCA) to call out President Donald Trump to his face at Saturday's White House Correspondents' Dinner (WHCD). "We, the undersigned, call upon the White House Correspondents' Association to use the occasion of the White House Correspondents' Dinner, to forcefully demonstrate opposition to President Trump’s efforts to trample freedom of the press," the open letter published Monday began. "The dinner has long served as a symbol of the vital and irreplaceable role of a free press in American democracy and a celebration of the First Amendment and the journalists who uphold it. President Trump's systematic, sustained, and unprecedented attacks on the free press...…