Article Photos: States' choices set up national health experiment 1/2

FILE -In this Dec. 28, 2011 file photo, then-Nebraska Sen. Ben Nelson, currently National Association of Insurance Commissioners CEO, smiles during an interview with The Associated Press in his Omaha, Neb office.  President Barack Obama's health care overhaul is unfolding as a national experiment with American consumers as the guinea pigs: Who will do a better job getting uninsured people covered, the states or the feds? (AP Photo/Dave Weaver, File)