Iran: An Update HEARING before the COMMITTEE ON FOREIGN RELATIONS UNITED STATES SENATE ONE HUNDRED TENTH CONGRESS FIRST SESSION Thursday, March 29, 2007 Time: 9:30 AM 10:15 AM Place: 419 Dirksen Senate Office Building Presiding: Senator Biden Senator Biden's Opening Statement Senator Lugar's Opening Statement Witness: The Honorable R. Nicholas Burns    Under Secretary of State for Political Affairs    Department of State    Washington, D.C. Additional Witnesses May Be Added…               Witness names in blue are links to the statement given. Statements are only posted if provided electronically by witness.