John McCain, Fighting Brain Cancer, Likely to Miss Vote on Tax Overhaul

John McCain, Fighting Brain Cancer, Likely to Miss Vote on Tax Overhaul  New York Times An Ailing John McCain Will Miss the Crucial Senate Vote on the GOP Tax Package  TIME McCain's office says he has returned to Arizona  Politico Sen. McCain returning to Arizona, will miss tax bill vote  CNN Sen. John McCain back in Arizona, will miss vote on GOP tax bill  CBS NewsFull coverage