GOP Tax Plan Builds Momentum as Tennessee Senator Bob Corker Says He Will Support the Bill

WASHINGTON — Key holdouts on the GOP tax bill fell in line Friday, boosting momentum as Republicans finished the final version of their tax overhaul before next week’s vote. Leaders won over Sen. Bob Corker, R-Tenn., who had been the lone GOP opponent in the Senate of the $1.5 trillion package earlier because he feared it…