A man walks past a mural of Venezuela's President Hugo Chavez in Caracas, Venezuela, Wednesday, Jan. 2, 2013.  Both supporters and opponents of Chavez have been on edge in the past week amid shifting signals from the government about the president's health. Chavez has not been seen or heard from since his Dec. 11 operation, and officials have reported a series of ups and downs in his recovery. (AP Photo/Ariana Cubillos) Photo: Ariana Cubillos, Associated Press
{}