NGR Guardian: Some of the biggest names in music and politics from Beyonce to European prime ministers rallied Saturday in a concert aimed at mobilizing action to eradicate extreme poverty. Before thousands of people in New York`s Central Park and a far greater audience on television, the Global Citizen Festival sought to use entertainment to broaden support for new United Nations development goals. Beyonce, playing just her second concert this year, was the top attraction for many fans who obtained tickets...