In this photo taken April 3, 2016, Donald Trump’s campaign manager Corey Lewandowski talks to a member of the media at Nathan Hale High School in West Allis, Wis. Lewandowski is leaving the campaign, following a tumultuous stretch marked by missteps and infighting.

Trump’s campaign manager resigns

Donald Trump’s campaign manager, Corey Lewandowski, is leaving the campaign, following a tumultuous stretch marked by missteps and infightin…