melanie hastings is here with more. republicans are on the brink of passing a nearly one-and-a -half trillion dollar tax overhaul. on friday, two senators who said they'd vote against the bill pledged their support: bob corker, and marco rubio. that means republicans should have the votes they need. this would be this legislative accomplishment for president trump and g-o-p leaders. treasury secretary steve mnuchin says by lowering business taxes, wages will rise, and jobs will be created. president trump says this will be one of the best christmas presents middle-income americans have ever received. arianna... senator john mccain is back home in arizona, and does not plan to vote on the final tax bill. but his absence is not expected to derail the measure. mccain was admitted to walter reed hospital on wednesday, because of side effects from his cancer treatments. he was treated for a viral infection. he was released less than 24 hours ago, and is said to be improving. he'll spend christmas with his family. he plans to