two reporters two editors breitbart news resign protest conservative website handle allege assault last week one reporters senior aide republican presidential front-runner donald trump reporter michelle field file criminal complaint friday trump campaign manager corey lewandowski say grab arm rally march florida force leave bruise lewandowski trump deny accusation incident spark spat breitbart journalists accuse management kowtow trump campaign breitbart publish account friday incident raise question field version events suggest lewandowski grab accord report saturday buzzfeed news website breitbart senior editor-at-large joel pollak also order staffers internal chatroom stop defend field field editor-at-large ben shapiro resign response late sunday national security correspondent jordan schachtel editor jarrett stepman resign monday accord letter post twitter accuse news site become propaganda arm trump campaign bit.ly/1phhuc9 breitbart news chief executive larry solov say email statement late monday breitbart news thank kurt ben michelle work us wish best future endeavor refer kurt bardella resign breitbart spokesman last week allege assault field take place days series clash supporters trump front-runner republican presidential candidate november election protesters campaign rally allegations investigate spokesman jupiter florida police department say monday four breitbart journalists quit allege trump rally assault