Republicans in Congress Use Obscure Law to Roll Back Biden-Era Regulations

As G.O.P. lawmakers have largely ceded power to President Trump, they are also pushing the bounds of a little-known statute to undo federal rules — and potentially undermining the filibuster.

After Nudge From Trump, Senate Sets Fast Pace in Confirming His Ambassadors

Republicans have raced to approve the president’s picks to serve as top diplomats around the globe, in some cases with solid backing from Democrats.

House Passes G.O.P. Budget After Conservative Revolt Collapses

A pledge from the top Senate Republican that his chamber would embrace far deeper cuts than the measure would require persuaded a critical bloc of fiscal hawks to drop their opposition.

Senate Approves G.O.P. Budget Plan After Overnight Vote-a-Thon

Republicans pushed through their blueprint for tax and spending cuts after Democrats forced them to cast politically painful votes into the early morning on every element of President Trump’s agenda.

Republicans in Congress React to Signal Chat Leak With Collective Shrug

A few G.O.P. lawmakers said they would look into the breach, but party leaders largely tempered their criticism of the Trump administration.

Trump, With More Honey Than Vinegar, Cements an Iron Grip on Republicans

In his second term, President Trump is cultivating warm relationships with G.O.P. lawmakers — and using the implicit threat of ruining them if they stray — to keep them in line behind his agenda.

As Trump Turns Against Ukraine, Republicans in Congress Stay Quiet

Congressional Republicans have mostly tempered their criticism or deferred to the president as he topples what were once their party’s core foreign policy principles.