The Senate is beginning a grueling, hours-long process to amend and debate Trump's "big, beautiful bill" that guts Medicaid and clean energy subsidies while extending tax cuts for the super-rich and beefing up border funding.

A memo from the House Freedom Caucus Wednesday strongly criticized the GOP megabill passed by the Senate. The caucus's sharp criticism of the legislation comes as Republican leadership works to corral votes from conservative hard-liners for Wednesday's session.