House GOP leaders are expressing confidence that the Republican-sponsored American Health Care Act (AHCA) to repeal and replace Obamacare will pass Thursday afternoon, though it will face an uncertain path in the Senate. House vote on the new health care bill - how to watch "This will pass," House Majority Leader Kevin McCarthy, R-California, told reporters as he left a closed-door meeting with the House Republican Conference. House Majority Whip Steve Scalise, R-Louisiana, also seemed confident that the bill would pass.