Ocasio-Cortez backs Markey in Massachusetts Senate primary

Democratic Sen. Ed Markey (Mass.) received a boost to his reelection bid on Thursday with an endorsement from New York Rep. Alexandria Ocasio-Cortez (D).  Markey is engaged in a competitive Democratic primary race against Massachusetts Rep. Seth Moulton (D). The two candidates have each sought to build upon a growing anti-establishment sentiment in the Democratic…