The top prosecutors in seven states are probing the constitutionality of a political deal that cut a funding break for Nebraska in order to pass a federal health care reform bill, South Carolina's attorney general said Tuesday. Attorney General Henry McMaster said he and his counterparts in Alabama, Colorado, Michigan, North Dakota, Texas and Washington state — all Republicans — are jointly taking a look at the deal they've dubbed the "Nebraska compromise." "The Nebraska compromise, which permanently exempts Nebraska from paying Medicaid costs that Texas and all other 49 states must pay, may violate the United States Constitution —...