Just when there seemed to be little hope that Donald Trump would reverse his aggressive tariff plans, Mr. Market saved the day, forcing the U.S. president to reverse course. But what might be at the root of Trump’s U-turn is not concern about tanking markets,

The unexpected debate has emerged as GOP lawmakers look for ways to pay for their massive budget bill and as the party's electoral coalition shifts.

Republicans in both chambers of Congress have passed plans to extend the 2017 Trump tax cuts, which continue to face fierce criticism for favoring the wealthy.