for obstruction of congress. if he doesn't think he has the evidence then it's done right there. but look, we have all seen this sort of obstruction crime committed in public. it seems very likely that the evidence is sufficient. so then he will have to consider a couple of other questions. is it in the national interest to prosecute? it would seem that preserving the independence of one of the three branches of government to ensure that we have checks and balances sounds like national interest to me. and then, the final step is considering whether there are alternatives to criminal that prosecution that would be effective. that is where i think, given the rerestraint that we have seen this justice department want to engage in, they may falter. they may decide that because congress has civil litigation options that perhaps those are preferable to criminal prosecution. but you know, at the end of the day, you have to dig in if you are going to defend democracy. unless congress and the oversight function will be paper