NBC’s Welker sharp in first turn as debate moderator

NEW YORK (AP) — Moderator Kristen Welker, with the help of an offstage mute button, helped give Americans a substantive head-to-head debate over leadership that had been missing during the presidential campaign. The NBC News White House correspondent, in her first time moderating a general election debate, kept tight control of the discussion between President Donald Trump and Democrat Joe Biden. Trump, possibly deterred by the mute button, resisted the interruptions that led to criticism