kim letterly while i a professor at the balance more law school is here with us tonight. >> thanks for being with us. it is unconventional, but did the pardon break the constitution, is it unconstitutional? >> i don't think there's an answer to that question at this point. i think that a lot of the conversation has assumed that the pardon power is unlimit ed and the constitutions is a really old document, 1789 and lots of it is not clear, in my view, including that. we have to acknowledge that some of stuff is gray and in this instance i think with ar pay oh there could be some issues that are different than we've seen in prior circumstances with pardons . any idea what kind of issues we're talking about there ? they're two in particular. one is the timing of it. when you think about most parns on the way out the door. he's going to be a private citizen. he pardons people, the public gets upset. mark rich, for example rg during the clinton administration, a prime example. >> absolutely. this one was early in his first term and signals a possibility that he might use this power while he