Senator Collins is well accustomed to the high-wire act of being a Republican moderate in a blue state. Her vote on the GOP bill allows her to continue to walk that line.

Vice President JD Vance cast a tie-breaking vote as 3 Republican senators voted against the bill. Here's what's in it.

Collins, a key vote in advancing the proposal over the weekend, was one of three GOP holdouts on Tuesday that forced Vice President VD Vance to break a tie.