House GOP leaders discussed a new, heightened state-and-local-tax deduction with a group of Republican holdouts as they race to salvage their party-line megabill from ruin. A $40,000 cap on the key deduction for individuals and $80,000 cap for joint filers was part of a list of items GOP leaders raised overnight as they scrambled to shore up ultraconservative votes, according to three people granted anonymity to describe the private conversations. The SALT cap increase is one of the biggest hangups in the bill, which is filled with President Donald Trump’s domestic policy priorities. A band of SALT Republicans are publicly...