WASHINGTON, DC - JANUARY 11: A U.S. Capitol Police officer stands guard at the U.S. Capitol January 11, 2011 in Washington, DC. Law enforcement officers have beefed up their presence around the ... more 
WASHINGTON, DC - JANUARY 11: A U.S. Capitol Police officer stands guard at the U.S. Capitol January 11, 2011 in Washington, DC. Law enforcement officers have beefed up their presence around the Capitol following a mass shooting Saturday in Tucson, Arizona, that left six people dead and at least 13 others wounded including U.S. Rep. Gabrielle Giffords (D-AZ) when a gunman opened fire at a public event held at Safeway supermarket. (Photo by Mark Wilson/Getty Images) less 
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Getty Images | Photo By Mark Wilson / Getty Images
Wed, Jan 12, 2011 12:02 PM EST