One health policy professor said cutting Medicaid and similar programs "will be devastating" to millions of Americans.

Of the $16.4 billion annual Medicaid costs for Louisiana, state taxpayers kick in about $3 billion, according to the Legislature. The new law would halt some of the tools Louisiana uses to pay that $3 billion, requiring the state to pour in extra money or let some people go without health insurance.

Donald Trump's 'big, beautiful bill' is poised to pass the House and later reach the president's desk for him to sign.