We don't really need to go after Holder, we just need to make a fuss. When the election's over, the biggest thing is to stop the Holderites from shredding all the evidence and then, after January, install people, in the Justice Department, to go over the records and get to the truth about what happened. It's obvious what they did was inept, what will probably become more obvious is that some of it was illegal.
No matter what the Republicans do, Obama and company are going to make it racist and racial. The fact is this story needs to come out and politics shouldn't prevent that, but it will delay it.