Leaders in the Republican Party will join President Donald Trump at Camp David this weekend to discuss the 2018 party agenda including what the GOP wants to accomplish in terms of Affordable Care Act repeal, reforms to Medicare and Medicaid, and the opioid crisis. Among the 24 Republicans headed to Camp David, Senate Majority Leader Mitch McConnell (R-KY), Senate Majority Whip John Cornyn (R-TX), House Majority Leader Paul Ryan (R-WI), House Majority Leader Kevin McCarthy (R-CA) and House Majority Whip...