With Sens. Rand Paul and Thom Tillis opposed to the package, GOP leaders can afford only one more defection. And multiple Republicans aren't yet sold on the measure.

Debates on and off the Senate floor stretched through a third consecutive night as the House GOP gets ready to push for its own floor vote.

The Senate slogged through a tense overnight session that has now dragged into Tuesday morning, with Republican leaders searching for ways to secure support for President Donald Trump’s big bill