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California congressional Republicans are part of a strategic legislative challenge to roll back Obamacare. The effort no doubt will be fruitless this year, but it sets the stage for November electioneering, which could lead to substantive legal challenges in next year's new Congress if the GOP gains significantly, perhaps even winning control of one or both houses.

"Even if the bills don't advance," the Sacramento Bee noted recently, "the issue is sure to provide fodder in this year's political campaigns, with Republicans calculating it's a winning issue for them."