Obama concentra su atención en debatir con McCain

Then U.S. Secretary of State-designate Condoleezza Rice (R) is greeted by Senator Barak Obama (D-Il) before her U.S. Senate confirmation hearing on Capitol Hill in Washington, in this January 18, 2005 file photo. Three U.S. State Department contract employees improperly accessed Democratic presidential candidate Sen. Barack Obama's passport records, a U.S. official said on March 20, 2008. REUTERS/Peter Jones/Files (UNITED STATES)

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Then U.S. Secretary of State-designate Condoleezza Rice (R) is greeted by Senator Barak Obama (D-Il) before her U.S. Senate confirmation hearing on Capitol Hill in Washington, in this January 18, 2005 file photo. Three U.S. State Department contract employees improperly accessed Democratic presidential candidate Sen. Barack Obama's passport records, a State Department official said on March 20, 2008. REUTERS/Peter Jones/Files

Reuters

SAN DIEGO - FEBRUARY 5: A sign for U.S. Sen. Barak Obama (D-IL) is posted on a bulletin board at San Diego State University February 5, 2008 in San Diego, California. Voters go to the polls in 24 presidential primaries and caucuses during Super Tuesday .(Photo by Sandy Huffaker/Getty Images)

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KOGELO, KENYA - FEBRUARY 05: A Kenyan school student runs back to class at The Senator Obama Kogelo Secondary School, on February 5, 2008 in Kogelo, Kenya. The school was funded by US Senator Barak Obama, whose grandmother Sarah Hussein Obama, lives next door, where she awaits the results of the "Super Tuesday" presidential candidacy elections for the Democratic Party. (Photo Paula Bronstein/Getty Images)

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KOGELO, KENYA - FEBRUARY 05: Kenyan students leave class for a break at The Senator Obama Kogelo Secondary School, on February 5, 2008 in Kogelo, Kenya. The school was funded by US Senator Barak Obama, whose grandmother Sarah Hussein Obama, lives next door, where she awaits the results of the "Super Tuesday" presidential candidacy elections for the Democratic Party. (Photo Paula Bronstein/Getty Images)

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KOGELO, KENYA - FEBRUARY 05: Kenyan school students study in class at The Senator Obama Kogelo Secondary School, on February 5, 2008 in Kogelo, Kenya. The school was funded by US Senator Barak Obama, whose grandmother Sarah Hussein Obama, lives next door, where she awaits the results of the "Super Tuesday" presidential candidacy elections for the Democratic Party. (Photo Paula Bronstein/Getty Images)

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KOGELO, KENYA - FEBRUARY 05: Kenyan school students walk home from the Senator Obama Kogelo Secondary school, on February 5, 2008 in Kogelo, Kenya. The school was funded by US Senator Barak Obama, whose grandmother Sarah Hussein Obama, lives next door, where she awaits the results of the "Super Tuesday" presidential candidacy elections for the Democratic Party. (Photo Paula Bronstein/Getty Images)

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KOGELO, KENYA - FEBRUARY 05: Kenyan school students stand outside gates to their school; the Senator Obama Kogelo Secondary school, on February 5, 2008 in Kogelo, Kenya. The school was funded by US Senator Barak Obama, whose grandmother Sarah Hussein Obama, lives next door, where she awaits the results of the "Super Tuesday" presidential candidacy elections for the Democratic Party. (Photo Paula Bronstein/Getty Images)

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KOGELO, KENYA - February 5: Kenyan school students walk to school; the Senator Obama Kogelo Secondary school, on February 5, 2008 in Kogelo, Kenya. The school was funded by US Senator Barak Obama, whose grandmother Sarah Hussein Obama, lives next door, where she awaits the results of the "Super Tuesday" presidential candidacy elections for the Democratic Party. (Photo Paula Bronstein/Getty Images)

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SAN DIEGO, CA - FEBRUARY 05: (L-R) Students Samantha Shaw, Michelle Williams, Mitch Emerson and Brooke Gilbertson campaign for Barak Obama outside of a polling station at San Diego State University on February 5, 2008 in San Diego, California. Voters go to the polls in various states to determine which candidates will vie for the presidency. (Photo by Sandy Huffaker/Getty Images)

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Republican presidential hopeful, Sen. John McCain, R-Ariz., is seen through a glass window as he talks to reporters during a campaign stop at the Colonial Eatery in Parma, Ohio, Monday, Feb. 25, 2008. (AP Photo/Gerald Herbert)

AP

Republican presidential hopeful, Sen. John McCain, R-Ariz., greets police officers as he visits the Colonial Eatery during a campaign stop in Parma, Ohio, Monday, Feb. 25, 2008. (AP Photo/Gerald Herbert)

AP

Republican presidential hopeful, Sen. John McCain, R-Ariz., visits the Colonial Eatery on a campaign stop in Parma, Ohio, Monday, Feb. 25, 2008. At right, former Sen. Mike DeWine, McCain's campaign chairman in Ohio. (AP Photo/Gerald Herbert)

AP

Republican presidential hopeful, Sen. John McCain, R-Ariz., visits the Colonial Eatery during a campaign stop in Parma, Ohio, Monday, Feb. 25, 2008. (AP Photo/Gerald Herbert)

AP

Republican presidential hopeful, Sen. John McCain, R-Ariz., visits the Colonial Eatery during a campaign stop in Parma, Ohio, Monday, Feb. 25, 2008. (AP Photo/Gerald Herbert)

AP

Republican presidential hopeful Sen. John McCain, R-Ariz., visits the Colonial Eatery at a campaign stop in Parma, Ohio, Monday, Feb. 25, 2008. (AP Photo/Gerald Herbert)

AP

Republican presidential hopeful, Sen. John McCain, R-Ariz., hugs a woman as he visits the Colonial Eatery at a campaign stop in Parma, Ohio, Monday, Feb. 25, 2008. (AP Photo/Gerald Herbert)

AP

Republican presidential hopeful Sen. John McCain, R-Ariz., visits the Colonial Eatery at a campaign stop in Parma, Ohio, Monday, Feb. 25, 2008. (AP Photo/Gerald Herbert)

AP

Democratic presidential candidate Senator Barack Obama (D-IL) shakes hands with supporters after a campaign speech at the University of Cincinnati in Cincinnati, Ohio, February 25, 2008. REUTERS/John Sommers II (UNITED STATES) US PRESIDENTIAL ELECTION CAMPAIGN 2008 (USA

Reuters

Republican presidential hopeful, Sen. John McCain, R-Ariz., second from left, greets the crowd after a town hall meeting in Cleveland, Ohio. Monday, Feb. 25, 2008. At center, former Ohio Sen. Mike DeWine. (AP Photo/Gerald Herbert)

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