Invest in the poor, says world's third wealthiest man By James Hider in Mexico City (Filed: 11/06/2006) The third richest man in the world has stunned his Mexican countrymen by backing the wave of Left-wing sentiment that is sweeping Latin America. The portly and bearded Carlos Slim Helu, 66, is a widower. His wife, Soumaya, died in 2000. He has a personal fortune of more than $30 billion (£16 billion), is forging ties with the Left-leaning governments which have used the gulf between rich and poor to ride to power. Drawing on the resources of his telecom, retail and finance...