Latest news: ==Sen. Tom Carper (D) easily surmounted a primary challenge from the left on September 6, 65%-35%. ==State Rep. Geoff Diehl (R), who billed himself as a strong Trump supporter, easily won the Massachusetts Republican primary to face Sen. Elizabeth Warren. He is a distinct underdog. ==In Arizona, Rep. Kyrsten Sinema (D) handily won … Continue reading An Overall Look at 2018 Senate Races