Politics

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President Obama speaks at Prince George's Community College in Largo, Md., on Thursday, March 15, 2012. (AP Photo/Charles Dharapak)

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Republican presidential candidate, former Pennsylvania Sen. Rick Santorum speaks during a campaign stop in downtown Moline, Ill., on Monday, March 19, 2012. (AP Photo/The Dispatch, Paul Colletti)

** FILE ** Pakistani Foreign Minister Hina Rabbani Khar talks to the media as she leaves a joint session of Parliament in Islamabad on Tuesday, March 20, 2012. A parliamentary commission demanded an end to American drone attacks inside Pakistan and an apology for deadly U.S. airstrikes in November, as part of proposed new terms in the country's troubled relations with the U.S. (AP Photo/Anjum Naveed)

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Gen. Dwight D. Eisenhower, leader of Allied forces in World War II, was one of the few "political outsiders" who made it to the White House. (Associated Press)

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This image provided by Gehry Partners shows the Eisenhower Memorial Pedestrian Experience. Planners of a memorial honoring Dwight D. Eisenhower respond to criticism that the Frank Gehry design puts too much emphasis on Eisenhower's rural Kansas roots and not enough on his achievements as a military hero and president. (Associated Press)

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Renowned architect Frank Gehry talks in October about his concept for an Eisenhower memorial to be built near the National Mall in Washington. (Associated Press)

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President Eisenhower and first lady Mamie Eisenhower chat on the South Lawn with the Truman balcony of the White House visible behind them. (Associated Press)

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This artist rendering provided by the Eisenhower Commission shows a model for the national memorial to be built in Washington for President Eisenhower. President Eisenhower's family wants to halt the planning of a memorial honoring the 34th president because they object to the design. (Associated Press)

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The federal government can require tobacco companies to "reserve significant packaging space" for anti-smoking warnings and graphic images, such as this one from the Centers for Disease Control and Prevention, a three-judge appellate panel ruled Monday. (Centers for Disease Control and Prevention via Associated Press)

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Standing in front of a statue of Ronald Reagan on horseback, Rick Santorum campaigns for the Republican presidential nomination Monday in Dixon, Ill. Dixon was the boyhood home of the former president, whom Mr. Santorum cited in his remarks. (Associated Press)

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Republican presidential hopeful Mitt Romney, speaking at the University of Chicago, said some of the nation's foremost inventors of an earlier era would have suffocated under the weight of the regulatory burden of today's federal government. (Associated Press)

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Newt Gingrich, with wife Callista, speaks at the airport of Lake in the Hills, Ill., Thursday. The former House speaker sounds less hawkish on foreign-policy matters. "Instability rather than aggression is the great threat," he recently said of North Korea. (Associated Press)