Old allies and ex-wife fight Hugo Chavez By Jeremy McDermott, Latin America Correspondent Last Updated: 2:16am GMT 01/12/2007 Hugo Chavez's former wife, his former mentor and the previous defence minister are among the millions opposing a referendum tomorrow on plans to give the Venezuelan leader untrammelled powers. Marisabel Rodriguez stands next to her husband, Hugo Chavez, as he is sworn in as president in 2000 The poll would put the oil-rich nation on an irreversible path to socialism. "This reform definitely favours the president, as there is a clear and evident concentration of power in his hands," said his ex-wife,...