Local radio station owner Mam Sonando, center, in handcuffs is escorted by court security personnel as he enters an appeals court in Phnom Penh, Cambodia, Thursday, March 14, 2013. The court Thursday overturned the widely criticized conviction of the prominent government critic who was sentenced to 20 years in prison for an alleged secessionist plot, closing a case that one rights group called a "politically motivated farce." (AP Photo/Heng Sinith)