The one-time Boomtown Rat who organized the Live Aid concert in the 80's is back at it. Today Bob Geldof announced plans for 5 concerts around the world on July 8th. This time, he says, they don't want money for famine relief. In fact they're not asking for money at all. Instead, he says, they want to influence the Group of 8 industrialized nations. They want to pressure world leaders to eradicate poverty in Africa. Idealistic? Perhaps. But according to Columbia University economist Jeffrey Sachs, the elimination of poverty is not an unrealistic goal. In a new book, Sachs claims global poverty can be eliminated in 20 years. 20 years?