POLITICO: Burris under an ethical cloud. “Illinois state House Republicans are calling on Burris to resign; he’s facing a possible perjury investigation in his home state; and his Senate colleagues may face new pressure to launch an ethics committee probe to determine whether he should be expelled from the body. So far, Democratic leaders in Illinois and Washington have offered little public support, and the new state governor, Pat Quinn, has called on Burris to more fully explain himself.”