Four passengers on the Amtrak commuter train that derailed in Philadelphia last week filed a federal lawsuit on Monday against the U.S. rail service, as operations resumed on the heavily traveled Northeast Corridor.
Republican Jeb Bush said in a weekend radio interview that he does not believe the U.S. Constitution grants a right to gay marriage, moving away from his previous urging of "respect" for all Americans on the gay and lesbian marriage issue.
The U.S. Supreme Court on Monday rejected a bid to stop an investigation in Wisconsin into possible unlawful coordination between potential 2016 Republican presidential candidate Scott Walker's gubernatorial campaign and conservative advocacy groups.