Well, for one thing, Obama has not been accused of anything. But I haven't even seen any insinuations that Obama did anything worse than what we know McCain did with Keating (receiving gifts and doing favors in return)...

http://mccainkeatingfive.com/

http://www.azcentral.com/news/election/mccain/articles/2008/10/06/20081006keatingarchive1.html