the wait times are systemic at v.a. hospitals across the country. v.a. officials said they are investigating accusations of mismanagement at more than two dozen medical centers. veterans affairs secretary erik shinseki has refused to resign despite calls for him to do just that from lawmakers in both parties. president obama has stood by shinseki and said he needed more time to review the report of the investigation. now we have this preliminary report. now, the senator from arizona himself, john mccain on wolf blitzer in the last hour on cnn said he should step down. the walls are caving in. mike emanuel is live on capitol hill. this thing is unbelievable, mike. >> reporter: shep, that's right. it's about much more than just veterans in phoenix, arizona. the inspector general concludes quote inappropriate scheduling practices are systemic throughout. conclusions like that one have led house veterans affairs chairman jeff mill tore call in