“Obamacare” still has four major hurdles, says CAP’s Tom Daschle: “The Obama administration has cleared a transformational hurdle now that the Supreme Court has ruled the health care individual mandate constitutional. The mandate’s importance to meaningful insurance reform and expanded insurance coverage for millions of Americans can’t be overstated.” (Poltiico)

“Obama needs majorities in the Rust Belt counties to carry Ohio and Pennsylvania again. But last week’s bus tour shows he’s having difficulty in this historically Democratic territory,” says AEI’s Michael Barone. (National Review)

Politico’s Arena asks: Is President Obama’s tax cut strategy a winner? (Politico)

“The path to the White House passes through the blue-collar communities in Ohio where President Obama campaigned last week — and the middle-class suburbs of Colorado where he did well four years ago,” writes Brookings’ E.J. Dionne. (Washington Post)

Oil sanctions against Iran will not be enough: “Predictably, last week’s “expert level” talks between Iran and world powers were no more fruitful than previous rounds, leaving little optimism for a negotiated resolution to the nuclear crisis anytime soon. Western policymakers, buoyed by their success in reducing Iran’s oil exports , appear content to give sanctions more time to work, in the hope that once Tehran feels their full effect negotiators will return to the table, more ready to compromise,” writes Michael Singh of the Washington Institute for Near East Policy. (Washington Post)

Room for Debate asks: As the United States prepares to mark the 225th anniversary of its Constitution, we have the benefit of hindsight that the framers lacked. What should be omitted, clarified or added? (New York Times)

“Look northeast, docs: Late last month, over a veto from Democratic Gov. John Lynch, New Hampshire lawmakers enacted an “early offer” system for medical-malpractice claims that could become a national model — much to the chagrin of trial lawyers everywhere . . Based loosely on the idea of freedom of contract, and adding a dollop of the “loser-pays” legal fee principle long practiced in other nations, the reform promises to put a big dent in the costs of the Granite State’s malpractice system — while leaving genuine victims more satisfied,” writes Cato’s Walter Olson. (New York Post)

Heritage’s James Carafano: Transparent Pentagon politics. (Washington Examiner)

AEI’s Edward Pinto: Seizing home loans through eminent domain: more like grand theft mortgage than a silver bullet. (AEI)