Senate GOP presses ahead on tax bill; McCain backs measure

WASHINGTON — Senate Republicans on Thursday pushed ahead on a sweeping revamp of the nation's tax code, with Majority Leader Mitch McConnell expressing confidence of final passage by week's end and a key Republican getting on board.The GOP had the momentum for delivering a major legislative and political win for President Donald Trump after the bill cleared a procedural hurdle on a 52-48 vote late Wednesday."We're heading down the homestretch," Senate Majority Leader Mitch McConnell, R-Ky.