“Medical claims costs — the biggest driver of health insurance premiums — will jump an average 32 percent for Americans’ individual policies under President Barack Obama’s overhaul, according to a study by the nation’s leading group of financial risk analysts. The report could turn into a big headache for the Obama administration at a time when many parts of the country remain skeptical about the Affordable Care Act. The estimates were recently released by the Society of Actuaries to its members.”