Reporting from Washington Republican activists, increasingly optimistic they can win the White House and Senate next year, are beginning to lay the groundwork for a multi-pronged campaign in 2013 to roll back President Obama's sweeping healthcare overhaul.

The push includes an effort to pressure Republican candidates to commit to using every available tool to fully repeal the law, a tactic pioneered by conservative activist Grover Norquist, who made an anti-tax pledge de rigeur for GOP politicians.

Other conservative healthcare experts are developing an alternative to the law, an effort that could protect Republicans from past critiques that their healthcare plans left tens of millions of Americans without medical coverage.

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