The president’s health care overhaul includes a 2.3 percent excise tax on medical devices that will send the durable medical equipment industry into intensive care, eliminate 43,000 jobs, and whack $3.5 billion from local shops and communities, according to a new study by two free market economists. The 30-page report, released on Wednesday by the Advanced Medical Technology Association, a trade group, also concludes that the tax on medical equipment may prompt the closure of high-tech research facilities in several states. That trade group released its report predicting massive job losses ... The new tax is expected to generate $20...