Sen. Maria Chappelle-Nadal was adamant Friday that she isn’t resigning over a Facebook post calling for President Donald Trump’s assassination. Chappelle-Nadal, a University City, Missouri, Democrat, has faced calls by Missouri’s top Democrats and Republicans demanding she resign from the legislature over a comment she posted on her personal Facebook Thursday: “I hope Trump is assassinated.” Among those calling for her resignation were the chairman of the Missouri Democratic Party and U.S. Sen. Claire McCaskill. Chappelle-Nadal deleted the comment and said posting it was a mistake. She said she posted the comment out of frustration with Trump’s statements about recent...