President Barack Obama and first lady Michelle Obama welcome German Chancellor Angela Merkel and her husband Joachim Sauer at the North Portico of the White House as they arrive for the State Dinner in Washington, Tuesday, June 7, 2011. (AP Photo/Charles Dharapak)

President Barack Obama and first lady Michelle Obama wait to welcome German Chancellor Angela Merkel and her husband Joachim Sauer at the North Portico of the White House as they arrive for the State Dinner in Washington, Tuesday, June 7, 2011. (AP Photo/Charles Dharapak)

First lady Michelle Obama is pictured before she and President Barack Obama welcome German Chancellor Angela Merkel and her husband Joachim Sauer at the North Portico of the White House as they arrive for the State Dinner in Washington, Tuesday, June 7, 2011. (AP Photo/Charles Dharapak)

President Barack Obama, left, and first lady Michelle Obama, right talk with guests at their table during the State Dinner in honor of German Chancellor Angela Merkel, in the Rose Garden of the White House in Washington, Tuesday, June 7, 2011. (AP Photo/Pablo Martinez Monsivais)

Dessert plates of Apple Strudel wait to be served for the State Dinner in honor of German Chancellor Angela Merkel, Tuesday, June 7, 2011. (AP Photo/Pablo Martinez Monsivais)

President Barack Obama and German Chancellor Angela Merkel, right, before the State Dinner performance by members of the National Symphony Orchestra in the Rose Garden of the White House, Tuesday, June 7, 2011. (AP Photo/Pablo Martinez Monsivais)

The White House host a State Dinner performance by members of the National Symphony Orchestra in the Rose Garden in honor of German Chancellor Angela Merkel, Tuesday, June 7, 2011. (AP Photo/Pablo Martinez Monsivais)

President Barack Obama greets guest at their tables before the start of the State Dinner performance by members of the National Symphony Orchestra in the Rose Garden in honor of German Chancellor Angela Merkel, Tuesday, June 7, 2011 at the White House in Washington. (AP Photo/Pablo Martinez Monsivais)

Sen. Dan Coats, R-Ind., and his wife Marsha Coats, arrive for a State Dinner hosted by President Barack Obama and first lady Michelle Obama in honor of German Chancellor Angela Merkel at the White House in Washington, Tuesday, June 7, 2011. (AP Photo/Manuel Balce Ceneta)

Last minute preparation are made before the arrival of German Chancellor Angela Merkel at the North Portico of the White House in Washington, Tuesday, June 7, 2011, for the State Dinner. (AP Photo/Pablo Martinez Monsivais)

President Barack Obama, left seated, listens to German Chancellor Angela Merkel speak, after she received the Medal of Freedom during the State Dinner in the Rose Garden of the White House in Washington, Tuesday, June 7, 2011. (AP Photo/Pablo Martinez Monsivais)

Department of Veterans Affairs Secretary Eric Shinseki, and his wife Patty Shinseki arrive for a State Dinner hosted by President Barack Obama and first lady Michelle Obama in honor of German Chancellor Angela Merkel at the White House in Washington, Tuesday, June 7, 2011. (AP Photo/Manuel Balce Ceneta)

Rep. Debbie Wasserman Schultz, D-Fla., and her husband Steven Schultz, arrive for a State Dinner hosted by President Barack Obama and first lady Michelle Obama in honor of German Chancellor Angela Merkel at the White House in Washington, Tuesday, June 7, 2011. (AP Photo/Manuel Balce Ceneta)

Guest in their seats during the State Dinner in honor of German Chancellor Angela Merkel in the Rose Garden of the White House in Washington, Tuesday, June 7, 2011. (AP Photo/Pablo Martinez Monsivais)

Teamsters General President James Hoffa, and Meaghan Wolff, arrive for a State Dinner hosted by President Barack Obama and first lady Michelle Obama in honor of German Chancellor Angela Merkel at the White House in Washington, Tuesday, June 7, 2011. (AP Photo/Manuel Balce Ceneta)

Former Transportation Secretary Norman Mineta, and his wife Deni Mineta arrive for a State Dinner hosted by President Barack Obama and first lady Michelle Obama in honor of German Chancellor Angela Merkel at the White House in Washington, Tuesday, June 7, 2011. (AP Photo/Manuel Balce Ceneta)

Former New Jersey Gov. Jon Corzine, and his wife Sharon Corzine arrive for a State Dinner hosted by President Barack Obama and first lady Michelle Obama in honor of German Chancellor Angela Merkel at the White House in Washington, Tuesday, June 7, 2011. (AP Photo/Manuel Balce Ceneta)

Former Sen. Sam Nunn, D-Ga., and his wife Colleen Nunn arrive for a State Dinner hosted by President Barack Obama and first lady Michelle Obama in honor of German Chancellor Angela Merkel at the White House in Washington, Tuesday, June 7, 2011. (AP Photo/Manuel Balce Ceneta)

Treasury Secretary Timothy Geithner and his wife Carole Geithner arrive for a State Dinner hosted by President Barack Obama and first lady Michelle Obama in honor of German Chancellor Angela Merkel at the White House in Washington, Tuesday, June 7, 2011. (AP Photo/Manuel Balce Ceneta)

Singer James Taylor and his wife Caroline Taylor arrive for a State Dinner hosted by President Barack Obama and first lady Michelle Obama in honor of German Chancellor Angela Merkel at the White House in Washington, Tuesday, June 7, 2011. (AP Photo/Manuel Balce Ceneta)

House Democratic Leader Nancy Pelosi, D-Calif., and her husband Paul Pelosi arrive for a State Dinner hosted by President Barack Obama and first lady Michelle Obama in honor of German Chancellor Angela Merkel at the White House in Washington, Tuesday, June 7, 2011. (AP Photo/Manuel Balce Ceneta)

Senate Republican Leader Sen. Mitch McConnell, R-Ky., and his wife former Labor Secretary Elaine Chao, arrive for a State Dinner hosted by President Barack Obama and first lady Michelle Obama in honor of German Chancellor Angela Merkel at the White House in Washington, Tuesday, June 7, 2011. (AP Photo/Manuel Balce Ceneta)

Supreme Court Chief Justice John Roberts and his wife Jane Roberts arrive for a State Dinner hosted by President Barack Obama and first lady Michelle Obama in honor of German Chancellor Angela Merkel at the White House in Washington, Tuesday, June 7, 2011. (AP Photo/Manuel Balce Ceneta)

A place setting for first lady Michelle Obama is seen in the State Dining Room of the White House in Washington, Tuesday, June 7, 2011, during a preview for members of the media,prior to Tuesday night's dinner in honor of German Chancellor Angela Merkel. (AP Photo/Pablo Martinez Monsivais)

Members of the media are seen in the State Dinning Room of the White House in Washington, Tuesday, June 7, 2011, during a preview for Tuesday night's dinner in honor of German Chancellor Angela Merkel . (AP Photo/Pablo Martinez Monsivais)

A member of the White House staff removes the name tag for President Barack Obama during a media preview of State Dining Room of the White House in Washington, Tuesday, June 7, 2011, for Tuesday's dinner in honor of German Chancellor Angela Merkel. (AP Photo/Pablo Martinez Monsivais)

An official program is seen at a place setting during a preview of State Dining Room of the White House in Washington, Tuesday, June 7, 2011, for Tuesday night's dinner in honor of German Chancellor Angela Merkel. (AP Photo/Pablo Martinez Monsivais)

A place setting for President Barack Obama in seen in the State Dinner Room of the White House in Washington, Tuesday, June 7, 2011, during a preview, prior to Tuesday night's dinner in honor of German Chancellor Angela Merkel. (AP Photo/Pablo Martinez Monsivais)