Tunisians wait outside a bakery to buy bread in Tunis earlier this month. Hassene Dridi/AP hide caption

itoggle caption Hassene Dridi/AP

LG shows off a set-top box at the Consumer Electronics Show that will will upgrade a conventional televison to a smart TV. David Becker/Getty Images hide caption

itoggle caption David Becker/Getty Images
Steven Senne/ASSOCIATED PRESS

Erskine Bowles (left) and Alan Simpson head the National Commission on Fiscal Responsibility and Reform. David Gilkey/NPR hide caption

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Its unofficial motto may be that "neither snow nor rain nor heat nor gloom of night" will stop mail deliveries, but the digital age has been challenging for the Postal Service as people e-mail, text and fax to communicate. Kelly Etzel/AP/Cedar Rapids Gazette hide caption

itoggle caption Kelly Etzel/AP/Cedar Rapids Gazette

Whose child wouldn't like to help puppies learn to swim? The Barbie Puppy Swim School could be one of this year's top-selling toys. Oli Scarff/Getty Images hide caption

itoggle caption Oli Scarff/Getty Images

The price paid to farmers for a bushel of corn averaged $4.78 in October, up from $3.61 in the same month last year. Danny Johnston/AP hide caption

itoggle caption Danny Johnston/AP