Trump likely to seek more power on tariffs, but faces Republican resistance

US President Donald Trump is setting himself up for a fight with congressional Republicans if he seeks to expand his unilateral tariff powers or proceed with threatened duties on imports of cars and auto parts.

Trump is expected to urge Congress in his State of the Union address this month to pass new legislation that would boost his powers to break down tariff and non-tariff barriers to American exports, Bloomberg News reported on Tuesday.

Senator Chuck Grassley of Iowa, who now chairs the Finance Committee with jurisdiction over trade, told reporters Wednesday that Trump will not be allowed more power because Congress