A Republican senator who was slammed by Trump after opposing his bill won't seek reelection. Another said the bill is testing the "soul" of the GOP.

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 of tax breaks and spending cuts while fending off proposed amendments,

At some 940 pages, the legislation is a sprawling collection of tax breaks, spending cuts and other Republican priorities, including new money for national defense and deportations