Assuming Van Drew does switch, he will face at least three Republicans in the June primary. Brian Fitzherbert, Robert Patterson and David Richter will likely be asked to drop out by the national party. Whether any of them do remains to be seen.
Democrats are now starting to line up. The first to do so officially, Montclair political science professor Brigid Harrison, says Van Drew’s stance againt the impeachment of Donald Trump was the driving force in her decision.
"His constitutional oath says he will uphold and protect the Constitution," she said, "and with that vote on the impeachment inquiry, he failed miserably."
Harrison says she’s been in discussions with party chairs in the seven counties that comprise the Second Congressional District and is hopeful to get their support.
That could prove pivotal, given that Harrison could have a lot of company on the primary ballot.
Amy Kennedy, whose husband Patrick was a Rhode Island congressman, has formed an exploratory committee. And three other Democrats are at least considering a run.