FILE - In this Dec. 6, 2012 file photo, Liu Xia, the wife of China's jailed Nobel Peace Prize laureate Liu Xiaobo, poses with a photo of her and her husband during an interview at her home in Beijing. In recent years, Chinese authorities have chosen to impose heavy prison sentences on well-known activists and dissidents around Christmas. Among the most famous is Liu Xiaobo, whose 11-year sentence for subversion was handed down on Christmas Day in 2009. (AP Photo/Ng Han Guan, File)