Republican presidential hopefuls in their first prime-time debate of the 2016 election cycle on Thursday (Aug. 6) mostly steered clear of the Affordable Care Act other than to reiterate their hopes of repeal-and-replace, but past that (and business mogul Donald Trump's shout-out to a single-payer system) the most substantial health care talking point was Medicaid expansion. Just two of the governors onstage -- Ohio's Gov. John Kasich and New Jersey Gov. Chris Christie -- chose to expand Medicaid under the...