Like what's the deal. A week or two ago Sanders called him out on purposefully derailing biden's agenda. I remember seeing an article about manchin being up set about it.
Is that all it took. One call out and he folded? If so that's pretty pathetic on his part and even more so on the Biden admin for but don't it earlier.
Money. He, or someone in his employ, worked out that he can benefit greatly from it one way or another.