Gov. Phil Murphy has the next two years to enjoy the fallout from one of the great self-owns in recent New Jersey political history. He unilaterally pushed the Democratic party bosses all in on his wife’s Senate run and, in a massive understatement, it did not go well. Tammy Murphy has dropped out of the race, the governor has spent whatever political capital he had left and the cherished county line is on the chopping block. That’s gonna leave a mark. Any governor fortunate enough to enjoy a second term inevitably experiences a lame-duck period when the party adjusts to the reality that the s…