WASHINGTON - JUNE 24: Former senior director for Middle East affairs on the National Security Council, Michael Singh testifies before the Senate Foreign Relations Committee during a hearing about the current political crisis in Iran on Captiol Hill June 24, 2009 in Washington, DC. Committee Chairman John Kerry (D-MA) changed the format of the hearing to be more like a round-table discussion focusing on current state of politics in Iran, including the crackdown of opposition protests by government police and paramilitary.