"He can raise money, he should win re-election fairly easily and his record is progressive enough," she said in an email. "The downside is that he isn't really well known. The problem for him is that the list for 2020 is long and I don't expect that Murphy is near the front of the line. That can change, but for now, I think that the reaction among Democratic activists would be to name five to 10 other potential candidates before they get to his name."