Trump win sets up GOP battle between deficit hawks, tax cutters

President-elect Trump’s election win is setting up a fight among Republicans over cutting taxes and reining in the deficit as the party inches toward control of both chambers of Congress.

Republicans are on track to kick off the second Trump administration with majorities in both chambers, giving the GOP a chance to pass a major tax policy bill along party lines.

Trump and many top Republicans are eager to extend his 2017 cut law, which could cost $4.6 trillion, according to...