But while the Democrat has often stopped short of endorsing a candidate, Walsh on Monday laid out three contenders he thinks have the best chances of winning against President Donald Trump: Massachusetts Sen. Elizabeth Warren, former Vice President Joe Biden, and California Sen. Kamala Harris.
Each has what it takes to “energize the base” of the party, he told WGBH’s Jim Braude.
“I think that there are different types of bases within the party,” Walsh said. “The other candidates, I don’t take away from them. Mayor Pete [Buttigieg] is a good candidate, he’s doing a good job. [New Jersey Sen.] Cory Booker is running a good race. But I do think that those three have a story to tell.”
Walsh has developed a close —and well documented —relationship with Biden. In 2018, Biden did the honors of swearing in Walsh for a second term, and the two often chat by phone, including as recently as a few weeks ago, Walsh told Braude.
In January, Walsh met with Warren regarding her bid for the presidency, telling a reporter the senator “has an incredible platform.”
But despite questions about whether he’ll give a nod to either Biden, his home state senator, or another prospect in the large pool of candidates, Walsh has repeatedly steered clear of offering up his support just yet.
“I was down in Washington the other day and I was sitting next to Sen. Warren, she was sitting next to me and we talked,” Walsh said. “We didn’t talk about the presidency. We were talking about the infrastructure bill, so, again, I’m going to make my decision at some point in the future.”