Senate Majority Leader John Thune can afford to lose three Republican senators and still pass the bill, and there are more than that, right now, who have problems with it. Like the House, he will have to balance the concerns from moderate and conservative members of his conference.

The tax cut package that passed the U.S. House and President Trump has dubbed the "big, beautiful bill" may change before it becomes law.

Trump is trying to push his 'big beautiful tax and spending bill through Congress. Here's who would benefit the most – and who could get hurt.