there are new concerns john mccain's absence potentially could be longer than first thought. mitch mcconnell announcing he will postpone a health care vote because senator mccain is recovering in arizona after having a blood clot removed above his left eye. mccain's absence could jeopardize efforts to repeal and replace obamacare with two republican senators ra s hand h paul and susan collins already declaring their on that position. >> doctors describe the surgery as minimally invasive, but dr. sanjay gupta notes that mccain does have a history of invasive melanoma in and around that area. mccain's doctors are waiting for pathology tests to see if more treatment is needed. the health bill faces political challenges as well. he we mentioned senator coal on lyn collins is a no. asked about the claim by mike pence that the senate health care bill strengthens and secures medicaid, here's what