WASHINGTON - NOVEMBER 03:  Vice President Joseph R. Biden (L) and Speaker of the House Nancy Pelosi (D-CA) (R) listen while German Chancellor Angela Merkel addresses a joint session of the U.S. Congress on Capitol Hill November 3, 2009 in Washington, DC. Merkel became the first German Chancellor to address the U.S. Congress. Getty Images logo Getty Images 1 month ago

WASHINGTON - NOVEMBER 03: Vice President Joseph R. Biden (L) and Speaker of the House Nancy Pelosi (D-CA) (R) listen while German Chancellor Angela Merkel addresses a joint session of the U.S. Congress on Capitol Hill November 3, 2009 in Washington, DC. Merkel became the first German Chancellor to address the U.S. Congress.