the house ways and means committee, which means he's the most powerful tax writing lawmaker in congress. where is this story going to go? good morning, i'm bill hemmer on a friday morning. it's snowy out there. martha: good morning, everybody, i'm martha maccallum. rangel says he's done nothing wrong, here's the congressman defending himself late last night. >> common sense deck tates that members of congress should not be held responsible for what could be the wrongdoing or mistakes or regards of -- or errors of staff unless there's reason to believe that the member knew or should have known. asking me questions would just embarrass me because i can't give you answers. martha: if the member knew or should have known is what he said. rangel still faces ongoing investigations into other financial dealings, so not completely off the hook yet. bill: leading our coverage,