"It only passed the house by one vote with a $2.3 trillion increase in the debt. To ask the House to vote for a bill that increases the national debt by $3.3 trillion, that's a hard sell for fiscal conservatives in the House. So it's not a done deal," Abrams says.

Republicans in Congress have muscled President Donald Trump’s tax and spending bill to passage. At nearly 900 pages, the legislation is a sprawling collection of tax breaks, spending cuts and other Republican priorities,