At Walter Reed, Oscar Olguin and his family were visited by President Bush and first lady Laura Bush. But Olguin says that when he left the hospital, he had to fend for himself. Courtesy of Oscar Olguin hide caption

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Karl Marlantes shipped off to Vietnam as a 23-year-old second lieutenant in 1968. Express Newspapers/Getty Images hide caption

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The Department of Veterans Affairs has sought to improve the care its hospitals offer to female veterans. In this file photo, a woman sits in a waiting room at the Veterans Affairs Medical Center in Martinsburg, W. Va. Ron Agnir/AP hide caption

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"I had to learn to deal with it on my own," Victoria Blumenberg, 25, says of the stress of her deployment to Iraq with the Air Force Reserves. Here, she visits a restaurant in Charlotte, N.C., with Pete Kneski. Julie Rose/WFAE hide caption

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Gen. John Joseph Pershing's room at Walter Reed Army Medical Center, the military's flagship hospital. The center is closing its doors after treating hundreds of thousands of America's war wounded, and several presidents. Luis Alvarez/AP hide caption

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James Cromitie, center, is led by police officers from a federal building in New York, Thursday, May 21, 2009, after being arrested on charges related to a bombing plot in the Bronx. The arrest of Cromitie and three other Muslim ex-convicts in the alleged homegrown terror plot is renewing fears about the spread of Islamic extremism in the nation's prisons. (AP Photo/Robert Mecea) Robert Mecea/ASSOCIATED PRESS hide caption

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Sgt. Charlie Linville is being treated at the Naval Medical Center in San Diego, where many of his unit's wounded are being treated. An IED explosion left him with two amputated fingers and a crushed foot. Gloria Hillard hide caption

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GOP presidential hopefuls use 140 characters or less to answer the question: "As president, how will you avoid continually raising the debt ceiling?" Amy Ta/NPR hide caption

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