"This is a field of candidates who believe that what they need to show to Democratic primary voters is how angry they are and how outraged they are about Donald Trump, and that's not really Deval Patrick," Tufts professor Jeff Berry said.

Political Analyst On Why He Thinks Deval Patrick Is Deciding Not To Run In 2020

Bob Oakes

Senior Correspondent

Former Massachusetts Gov. Deval Patrick speaks during an interview at his State House office in Boston in 2014. (Elise Amendola/AP)

Local content from WBUR's Morning Edition broadcasts