Fuel prices have plummeted this year, but airfares have remained high. The International Air Transport Association estimates that the world's airlines will rake in nearly $20 billion in profits this year.
A couple walks on the beach in the resort area of Varadero, Cuba. Varadero is home to upscale hotels and resorts that cater to foreign tourists, but there aren't yet enough to handle a potential influx of Americans.
Jane Byrne savors her victory in the previous night's Democratic primary in 1979, when she defeated incumbent Chicago Mayor Michael Bilandic. She became the city's first female mayor.
A water maintenance crew works on leaky infrastructure in Skokie, a Chicago suburb. The area loses almost 22 billion gallons of water a year because of ailing infrastructure.
David Schaper /NPR
Federal Aviation Administration Administrator Michael Huerta answers questions Friday after touring the Chicago air traffic control center with Sen. Mark Kirk, R-Ill. (left), and city aviation Commissioner Rosemarie Andolino.
Charles Rex Arbogast/AP