The Senate’s 50-48 confirmation of Brett Kavanaugh sets into motion a series of legal battles that will unfold for years to come over abortion rights, executive power, the administrative state, and other issues yet to be foreseen. These are not the battles progressive activists expected or wanted to fight. It feels like a generational setback. You don’t usually get to pick your battles. They are thrust on you. But it is the fight at hand, and it is only just beginning.