Politics

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Flowers and candles lie on the lawn of University Hospital Sunday, Jan. 9, 2011, in Tucson, Ariz., for U.S. Rep. Gabrielle Giffords, Arizona Democrat, and others who were shot a day earlier during a Giffords speech at a local supermarket. (AP Photo/Matt York)

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Richard Fridena, left, and his wife, Betty Fridena and other members of the Pima Friends Meeting stand on a street corner in Tucson Sunday, Jan. 9, 2011, protesting against hate speech they say led to the shootings in Tucson Saturday. (AP Photo/The Arizona Republic, Jack Kurtz)

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Well-wishers gather for a candle light vigil outside the offices U.S. Rep. Gabrielle Giffords, Arizona Democrat, in Tucson, Ariz., Sunday, Jan. 9, 2011. Mrs. Giffords was critically wounded during a shooting at a political event Saturday, Jan. 8, 2011 in Tucson, Ariz. (AP Photo/Chris Carlson)

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From left, Ellie Steve, 6, Lucia Reeves, 6, and Zoe Reeves, 18, gather for a candlelight vigil outside the offices U.S. Rep. Gabrielle Giffords, Arizona Democrat, in Tucson, Ariz., Sunday, Jan. 9, 2011. Mrs. Giffords was critically wounded during a shooting at a political event Saturday in Tucson. (AP Photo/Chris Carlson)

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Rachel Cooper-Blackmore, 9, adds a note to a make-shift memorial at Mesa Verde Elementary School in Tucson, Ariz., Monday, Jan. 10, 2011. Christina Green, 9, was shot and killed during an attack at an event for U.S. Rep. Gabrielle Giffords, Arizona Democrat, Saturday. (AP Photo/Chris Carlson)

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A Capitol Police officer stands in front of the office of Rep. Gabrielle Giffords, Arizona Democrat, in the Longworth House Office Building on Capitol Hill in Washington, Monday, Jan. 10, 2011. Mrs. Giffords was shot Saturday in a Tucson shooting rampage that left six people dead. (AP Photo/Charles Dharapak)

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Congressional staffers bring flowers out of the office of Rep. Gabrielle Giffords, Arizona Democrat, in the Longworth House Office Building on Capitol Hill in Washington, Monday, Jan. 10, 2011. Mrs. Giffords was shot Saturday in a Tucson shooting rampage that left six people dead. (AP Photo/Charles Dharapak)

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** FILE ** French President Nicolas Sarkozy (left) listens as President Obama speaks in the East Room of the White House in Washington in March 2010. Mr. Sarkozy meets with Mr. Obama on Monday to discuss the international financial system, among other matters. (AP Photo/Susan Walsh, File)

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As ordered by President Obama, the American flag flies at half-staff over the White House at dawn, in Washington, Monday. Jan. 10, 2011, in observance of Rep. Gabrielle Giffords, Arizona Democrat, and the other victims of an assassination attempt against her in Saturday's shooting outside a Tucson, Ariz., supermarket. (AP Photo/J. Scott Applewhite)

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U.S. Secretary of Defense Robert M. Gates (left) and Gen. Xu Caihou, vice chairman of China's Central Military Commission, meet at the Diaoyutai Guest House in Beijing on Monday, Jan. 10, 2011. (AP Photo/Larry Downing, Pool)

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South Sudanese men wait to casts their vote at a polling station in Juba, Southern Sudan, Monday, Jan 10, 2011. Thousands of people began casting ballots Sunday during a weeklong vote to choose the destiny of this war-ravaged and desperately poor but oil-rich region. The mainly Christian south is widely expected to secede from the mainly Muslim north, splitting Africa's largest country in two.(AP Photo/Jerome Delay)

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Salva Kiir, president of the semiautonomous government of Southern Sudan, casts his vote in front of a cheering crowd of hundreds of Sudanese voters in Juba on Sunday. (Associated Press)

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FBI Director Robert S. Mueller III (left) listens as Pima County Sheriff Clarence Dupnik speaks on Sunday in Tucson, Ariz. Mr. Mueller was on hand to oversee the investigation of the shooting of Rep. Gabrielle Giffords, who was shot in the head a day earlier during a speech at a local supermarket. (Associated Press)

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MOURNING: Flags in Washington were lowered to half-staff by order of President Obama to remember the victims of the rampage. (Associated Press)

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TRIBUTE: A makeshift memorial outside the University Medical Center in Tucson, Ariz., honors the victims of Saturday's shooting rampage in that city during a speech by Democratic U.S. Rep. Gabrielle Giffords (upper right), who was shot through the head but is expected to survive. U.S. District Judge John M. Roll (upper left) and five others, including a 9-year-old girl, were killed by a gunman. (Associated Press)

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Two people embrace each other Saturday at the scene where Rep. Gabrielle Giffords, Arizona Democrat, and others were shotoutside a Safeway grocery store in Tucson, Ariz. (Associated Press)

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House Speaker John Boehner of Ohio administers the House oath to Rep. Frank Lucas, Oklahoma Republican, during a mock swearing-in ceremony Wednesday on Capitol Hill. (Associated Press)

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Former Minnesota Gov. Tim Pawlenty greets Mary Smyk (left) and Sharon Sykas at a Sept. 30 luncheon in Manchester, N.H. The New Hampshire primary looms large in presidential politics for Mr. Pawlenty, author of "Courage to Stand: An American Story," and other prospective Republican candidates. (Associated Press)

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Chicago Bulls's Luol Deng, left, of Sudan, checks his registration with a polling center staff Jok Kuol Wel before casting his vote for the Southern Sudan Referendum at polling center in Chicago, Sunday, Jan. 9, 2011. Southern Sudanese living in the U.S., travel to eight polling sites from Phoenix to Boston to cast their votes. This morning marks the first opportunity for southerners to cast ballots in an independence referendum, the outcome of which will determine if the south secedes from the north to form an independent country. (AP Photo/Nam Y. Huh)