US singer Alicia Keys (C) and Sinn Fein President Gerry Adams (R) listen as US President Barack Obama addresses the Clinton Global Initiative on the sidelines of the UN General Assembely in New York on September 22, 2009. Getty Images logo Getty Images 29 months ago

US singer Alicia Keys (C) and Sinn Fein President Gerry Adams (R) listen as US President Barack Obama addresses the Clinton Global Initiative on the sidelines of the UN General Assembely in New York on September 22, 2009.