It's all about the "process," not the "results." This will be going strong at least through the Primary season.
Right. Timing is everything. And it's too soon. It would be over before the election gets underway. Summer would be too late, and would look too much like election manipulation. Besides, nobody is paying attention in the summer.
IF they have dirt, and they mean it, it will be in the spring.
Till then, like I said, they're bleeding him. It will stay in the press, here and there... flare up from time to time... but it will be on simmer.