Whether the U.S. gets more involved than it already is, some members of Congress from both parties argue, should not be up to the President.

The pushback follows Trump’s encroachment almost every congressional prerogative — from taking control of the power of the purse to threatening tariffs.

Japanese Prime Minister Shigeru Ishiba said Tuesday that U.S. tariffs are already severely impacting many Japanese firms, including automakers, but reiterated he will not rush to reach a deal with Washington at the expense of undermining his nation's interests.