The motorcade carrying President Barack Obama makes its way through a snowstorm near Morningside, Md, Wednesday, Jan. 26, 2011, en route to the White House in Washington. (AP Photo/Carolyn Kaster)
People line the street Wednesday to greet President Obama during his visit to Manitowoc, Wis., part of the "White House to Main Street Tour," where he was to visit several renewable-energy factories and talk about jobs and the economy. (Associated Press)
On the day of his State of the Union address, President Barack Obama strides from the Oval Office along the Colonnade at the White House in Washington on Tuesday, Jan. 25, 2011. (AP Photo/J. Scott Applewhite)
President Obama strides from the Oval Office along the Colonnade at the White House in Washington on Tuesday, Jan. 25, 2011. (AP Photo/J. Scott Applewhite)
From left; President Barack Obama meets Michaele Salahi, President Bush and first lady Laura Bush, first lady Hillary Rodham Clinton dances with Argentine President Carlos Menem and (background) Mexico President Vicente Fox saw fireworks at his White House visit. (Photos: Associated Press and The Washington Times)
President Barack Obama speaks before offering a toast as he and first lady Michelle Obama, not seen, host China's President Hu Jintao for a State Dinner, Wednesday, Jan. 19, 2011, in the State Dining Room of the White House in Washington. (AP Photo/Carolyn Kaster)
President Barack Obama and first lady Michelle Obama greet China's President Hu Jintao at the Grand Staircase as they arrive for a state dinner at the White House in Washington, Wednesday, Jan. 19, 2011. (AP Photo/Carolyn Kaster)
President Barack Obama and first lady Michelle Obama welcome China's President Hu Jintao to the North Portico of the White House in Washington, Wednesday, Jan. 19, 2011, for the State Dinner. (AP Photo/Carolyn Kaster)
President Barack Obama and first lady Michelle Obama greet China's President Hu Jintao upon his arrival at the North Portico of the White House in Washington, Wednesday, Jan. 19, 2011. (AP Photo/Pablo Martinez Monsivais)
President Barack Obama and first lady Michelle Obama pose with China's President Hu Jintao at the North Portico of the White House in Washington, Wednesday, Jan. 19, 2011. (AP Photo/Pablo Martinez Monsivais)
Olympic figure skater Michelle Kwan arrives at the White House in Washington, Wednesday, Jan. 19, 2011, for a state dinner in honor of China's President Hu Jintao. (AP Photo/Evan Vucci)
President Barack Obama speaks before he offers a toast as he and first lady Michelle Obama host China's President Hu Jintao State Dinner, Wednesday, Jan. 19, 2011, in the State Dining Room at the White House in Washington. (AP Photo/Carolyn Kaster)
China's President Hu Jintao speaks before offering a toast during a State Dinner hosted by President Barack Obama and first lady Michelle Obama, Wednesday, Jan. 19, 2011, in the State Dining Room of the White House in Washington. (AP Photo/Carolyn Kaster)
President Barack Obama and China's President Hu Jintao, both standing, and first lady Michelle Obama toast during a State Dinner, Wednesday, Jan. 19, 2011, in the State Dining Room of the White House in Washington. (AP Photo/Carolyn Kaster)
Musician Herbie Hancock arrives in the State Dining Room of the White House in Washington, Wednesday, Jan. 19, 2011, to perform for President Barack Obama, first lady Michelle Obama, China's President Hu Jintao, and guests during a State Visit. (AP Photo/Carolyn Kaster)
Musician Herbie Hancock performs at the piano at the White House in Washington, Wednesday, Jan. 19, 2011, for President Barack Obama, first lady Michelle Obama, China's President Hu Jintao, and guests, during a State Visit. (AP Photo/Carolyn Kaster)
President Obama and Chinese President Hu Jintao toast during a state dinner Wednesday night at the White House. The Chinese leader will travel later this week to Mr. Obama's hometown of Chicago. (Associated Press)
President Barack Obama listens to China's President Hu Jintao during their joint news conference in the East Room of the White House in Washington, Wednesday, Jan. 19, 2011. (AP Photo/J. Scott Applewhite)