** FILE ** In this Thursday, Dec. 13, 2012 photo, a member of Venezuela's navy touches an image of Venezuela's President Hugo Chavez after a mass in support of him in Havana, Cuba. Venezuelan Vice President Nicolas Maduro said late Monday, Dec. 24, 2012 night that he had spoken by telephone with Chavez and that the leader is up and walking following cancer surgery in Cuba. (AP Photo/Ramon Espinosa)

Photo by: Ramon Espinosa

** FILE ** In this Thursday, Dec. 13, 2012 photo, a member of Venezuela's navy touches an image of Venezuela's President Hugo Chavez after a mass in support of him in Havana, Cuba. Venezuelan Vice President Nicolas Maduro said late Monday, Dec. 24, 2012 night that he had spoken by telephone with Chavez and that the leader is up and walking following cancer surgery in Cuba. (AP Photo/Ramon Espinosa)