A counter-demonstrator squares off with immigrant rights supporters during a protest outside Wrigley Field before the start of the Cubs game against the Arizona Diamondbacks Thursday in Chicago. Dozens of people demonstrated outside the park calling for a boycott of the series to protest the passage of Arizona's controversial immigration law.
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James Wilkinson rose to the rank of brigadier general during the Revolutionary War, and after a break from military service was commissioned a major general in the War of 1812.
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Florida Gov. Charlie Crist speaks to students and teachers April 23 during a visit to the McFatter Technical Center in Davie, Fla. Crist is expected to announce Thursday whether he'll abandon his bid for the Republican nomination for the U.S. Senate and instead run as an independent.
U.S. Airways and United Airlines planes stand parked at their gates at Ronald Reagan National Airport near Washington, D.C. New federal rules prohibit airlines from keeping passengers on planes for longer than three hours after leaving the gate.
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Before he became the 26th president, Theodore Roosevelt (center) led the men of the 1st Cavalry Volunteers, known as the "Rough Riders," on San Juan Hill during the Spanish-American War in 1898.
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Afghan President Hamid Karzai (center right) speaks to locals during a gathering in Kandahar on April 4. Karzai has expressed his desire to negotiate with the Taliban and other militants. But a conference on national reconciliation was postponed until the Afghan president confers next month with President Obama at the White House.
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