With narrow majorities in Congress, the Republicans have little room for error as they work to advance the president’s plans on taxes and the border.

Republican lawmakers are scrambling to codify dozens of executive orders and actions that President Trump signed during his grand return to the Oval Office on Monday. With a few strokes of his pen, Trump undid dozens of Biden administration-era policies — much to the delight of Republicans in Congress who now want to ensure that a potential Democratic successor can’t quickly nullify his early accomplishments.