All sides need to agree that there is no room for suggestions of political violence in America — and the Missouri Democratic Party will absolutely not tolerate calls for the assassination of the president. I believe she should resign.

Stephen Webber, chairman of the Missouri Democratic Party, after Democratic state Sen. Maria Chappelle-Nadal posted -- and then quickly deleted -- a Facebook comment that said "I hope Trump is assassinated!” Her comment came in the wake of the president's remarks about the deadly protests in Charlottesville, Va. As of Friday afternoon, she refused to resign.