Battles on the Syria-Turkey border, like the one at the Bab al-Hawa border post, are a cat-and-mouse game for Syrian rebels. Bulent Kilic/AFP/Getty Images hide caption

Republican presidential candidate Mitt Romney speaks in Bow, N.H., on July 20. On his upcoming trip, Romney plans to make stops in the United Kingdom, Israel and Poland. Justin Sullivan/Getty Images hide caption

Kenny Chesney onstage during the kickoff show for the Brothers of the Sun Tour in Tampa in June. Kevin Tighe/WireImage hide caption

Corn plants dry in a drought-stricken farm field on July 17 near Fritchton, Ind. The corn and soybean belt in the middle of the nation is experiencing one of the worst droughts in more than five decades. Scott Olson/Getty Images hide caption

Chickens are under quarantine in Tepatitlan, Jalisco State, Mexico. The Mexican government declared a national animal health emergency July 2 in the face of an aggressive bird flu epidemic that has infected nearly 1.7 million poultry. Hector Guerrero/AFP/Getty Images hide caption

Rep. Paul Ryan (left), R-Wis., and GOP presidential candidate Mitt Romney at a campaign stop in Appleton, Wis., on March 30. Steven Senne/AP hide caption

Passion Pit's Michael Angelakos performs at Terminal 5 in New York in 2010. The band's new record, Gossamer, comes out July 24. Cory Schwartz/Getty Images hide caption

Citizen Kane was Orson Welles' first film and consistently tops lists as the best film of all time. Hulton Archive/Getty Images hide caption