WASHINGTON (AP) - It seems like the political battles over health care will never end.
Now it's Republican versus Republican in some big states.
Conservative Republican legislators in those states are trying to block efforts by more pragmatic governors of their own party to accept health insurance for more low-income residents under President Barack Obama's health care law.
Of the nine GOP governors who've accepted the Medicaid expansion so far, four are in big fights.
Unlike their congressional counterparts, who've failed repeatedly to torpedo the law, state Republicans may well sink the Medicaid expansion in states such as Florida and Michigan.
It would mean leaving billions of dollars in federal matching funds on the table and hundreds of thousands of their poorest residents uninsured.
Those objecting say it's an issue of principle.