The latest Republican push to repeal key parts of the Affordable Care Act appears to have met the fate of all previous Senate repeal efforts this year — it doesn't have the votes needed to pass the chamber.

Sens. Lindsey Graham, R-S.C., and Bill Cassidy, R-La., are defending their namesake health care bill before the Senate Finance Committee on Monday afternoon, but resistance from a handful of GOP colleagues may sink this last-ditch effort to repeal and replace the Affordable Care Act.