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.

WASHINGTON (AP) — The Senate slogged through a tense overnight session that dragged into Tuesday, with Republican leaders searching for ways to secure support for President Donald Trump’s big bill of tax breaks and spending cuts while fending off proposed amendments, mostly from Democrats trying to defeat the package.

The Senate is slogging through an overnight session that has dragged into Tuesday, with Republican leaders buying time as they search for ways to secure support for President Donald Trump's big bill of tax breaks and spending cuts while fending off proposed amendments,