by Maria Isabel SANCHEZ Agence France-Presse CARACAS, Venezuela (AFP) – With Venezuela in economic free-fall, massively unpopular President Nicolas Maduro on Wednesday launched his sudden campaign for a new term in a vote to be held by late April. The 55-year-old, who was Hugo Chavez’s handpicked successor, will be the ruling socialist party’s sole candidate. Maduro, a former union activist and bus driver assumed power in April 2013 after longtime president Hugo Chavez died in office from […]