Dissatisfied with the Obama administration's compromise on contraceptive coverage, congressional Republicans are fighting to do away with the requirement that insurers provide free birth control — a strategy that might rally their conservative base but risks alienating sought-after independent voters in this election year.

Republicans have been decrying the White House decision as an attack on religious freedom, citing the Founding Fathers' views on the Constitution to argue that employers should not be forced to provide healthcare coverage that conflicts with their religious beliefs. In the Senate, legislation to overturn the new Obama rule is expected to come up for a vote this week.

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