announced Wednesday that it will host a town hall event with President Donald Trump on Thursday, setting up a showdown with Democratic rival Joe Biden, who will participate in his own event on ABC that same night.NBC’s “Today” anchor Savannah Guthrie will moderate the one-hour event, which will be held outdoors at Miami’s Pérez Art Museum under guidelines of local health officials.Biden will participate in a 90-minute town hall on ABC moderated by “GMA” anchor George Stephanopoulos in