Luiz Inà¡cio Lula da Silva: the former shoe-shine boy hoping to reclaim Brazil's presidency

He is one of Latin America's most influential and enduring politicians - a silver-tongued statesman Barack Obama once hailed as "the most popular president on Earth". But had it not been for a chiding from Fidel Castro nearly four decades ago, Luiz Inà¡cio Lula da Silva might well have abandoned what would prove one of the most storied political careers the region has ever known. "He gave him a bollocking," Lula's biographer and friend, Fernando Morais, said of the moment the Cuban revolutionary took the Brazilian unionist to task for considering throwing in the towel after failing in his bid…