2012/06/29 Headlines: Supreme Court Upholds Obama Healthcare Law; Dems Stage Walkout as GOP-Led House OKs Holder Contempt Vote; Activists Claim New Massacre in Syria; U.N. Holds Syria Talks in Geneva; Assange Rejects U.K. Police Order for Extradition; Air Force Instructors Accused of Widespread Sexual Abuse; U.S. Soldier Kills 1, Wounds Self at Ft. Bragg; 1 Killed, Homes Destroyed as Colorado Wildfire Rages; Stockton Becomes Largest U.S. City to File for Chapter 9; Appeals Court Upholds Harsh Resentencing of Jailed Attorney; Report Finds "Deplorable" Work Conditions at Apple Suppliers in China; Ecuadorean Plaintiffs Seek Chevron Fine in Brazil, Canada;$