From the article....
"In a scathing series of tweets on Monday and Tuesday, Missouri Democratic state Sen. Maria Chappelle-Nadal referred to McCaskill as “Dixie Claire,†described her as a “piece of shit,†compared her to a slave owner and accused “McCaskill and her racist democratic friends†of alienating the party’s base voters"
McCaskill may be a lot of things but doubtful her states voters will believe she is a racist who wants to be a slave owner. This Chappelle-Nadal has a maturity issue. This is why calling someone a racist today , as Dennis Miller once said,has the same bite as calling someone a poopy head. The term has been way, way overused