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The plans share key elements. They lend flexibility to state Medicaid programs, extend preferential tax status to people who buy insurance outside of their jobs and let people shop for health policies across state lines, all in a bid to favor market-driven policies over the role of the federal government.

As for a unified plan, Republican leaders say they’re still committed to it and working on getting the policy right.

Rep. Diane Black, Tennessee Republican and frequent Obamacare critic, said it is important for the GOP to “articulate their vision” for replacing the law with other reforms.

Lanhee J. Chen, a health policy adviser to GOP presidential nominee Mitt Romney in 2012, said Republicans should focus on a “principles-plus” approach, in which the party trumpets tenets that, although not enshrined in a bill, offer enough “grist” to convince voters that they can govern effectively.