Time to rumble.

NEW YORK (CBS NY) — Catholic leaders upped the ante Monday, threatening to challenge the Obama administration over a provision of the new health care law that would require all employers, including religious institutions, to pay for birth control.

As CBS 2’s Marcia Kramer reports, it could affect the presidential elections.

Catholic leaders are furious and determined to harness the voting power of the nation’s 70 million Catholic voters to stop a provision of President Barack Obama’s new heath car reform bill that will force Catholic schools, hospitals and charities to buy birth control pills, abortion-producing drugs and sterilization coverage for their employees.

“Never before, unprecedented in American history, for the federal government to line up against the Roman Catholic Church,” said Catholic League head Bill Donohue.

Already Archbishop Timothy Dolan has spoken out against the law and priests around the country have mobilized, reading letters  from the pulpit. Donohue said Catholic officials will stop at nothing to put a stop to it.

“This is going to be fought out with lawsuits, with court decisions, and, dare I say it, maybe even in the streets,” Donohue said.

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