From centrists worried about Medicaid cuts to conservative hard-liners demanding steeper spending reductions, Senate GOP leaders face a tricky balancing act.

President Donald Trump worked the phones Monday and took to social media to try to sway Republican holdouts on his multi-trillion dollar tax bill, encountering conflicting demands from GOP senators even as he urged them to move swiftly.

The House passed President Trump's "one, big, beautiful bill," which includes continuing the 2017 tax cuts, but several GOP senators have voiced concerns.