to russia held a press conference at boston s logan airport reviewing that they believe a closer tracking of tamerlan tsarnaev may have led to a different outcome preventing the attack in boston. russian officials offered cooperation. answering questions freely and thus far shared more specific information than the u.s. counter parts. shannon? shannon: thank you very much. thank you. shannon: did attorney general holder perjure himself and should he resign. wisconsin representative jim sensenbrenner joins us, next. [ male announcer ] this is betsy. her long day of pick ups and drop offs begins with arthritis pain.