COLUMBIA, S.C. — A prominent Republican National Committee member is proposing two resolutions that would put some distance between the national party and former President Donald Trump — at least for a little bit longer. The first resolution from Henry Barbour — a longtime member from Mississippi — would prohibit the national party from coordinating with Trump or fundraising with his campaign until he wins enough delegates to be the party’s presumptive nominee. The draft resolution, in part, states: “The Republican National Committee and its leadership will stay neutral throughout the Presidential primary and not take on additional staff from...