One of the biggest questions Congress will be wrestling with as it tries to meld House and Senate bills into a single law to revamp the nation’s healthcare system is the role states should play in overseeing the overhaul of the health insurance market. The House and Senate take very different approaches to the question, and some policy analysts said the version that lawmakers ultimately choose could determine whether residents in some states end up with significantly better or worse coverage than people in other states, the New York Times reports.