The Kentucky senator, who also voted against GOP budget plan, has spent years trying to rein in presidential power.

The uncertainty and financial impact of the sporadic tariff plans led a number of Republicans to seek to rein in Trump’s ...

Cruz, a Texas Republican, is another senator who has been opposed to tariffs, saying in a 2018 Senate debate he is "against ...

The Commerce Department this week announced plans to hike tariffs on solar panels from East Asia, alleging that panels from ...

New York said it joined a coalition of 11 other states in suing Donald J. Trump over tariffs he announced earlier this month.

The president needs Republican unity to pass his legislative agenda. So when he noticed ructions on tariffs, he softened his ...

Senator Rand Paul of Kentucky is issuing a stark warning to fellow Republicans that Trump’s tariff policies could lead to a ...

Arizona Republicans defended Trump's trade policies at a panel at the Arizona Biltmore, while Democrats criticized tariffs ...

Republican senators are confronting the Trump administration with a bevy of worries about the economic impacts of the ...

Here are the Republicans in the House and Senate who support giving Congress more authority to claw back Trump's tariffs.

The Senate vote came after Trump implemented 10% across-the-board tariffs on imports and additional reciprocal tariffs on ...