An October 2010 photo reviewed by U.S. military officials shows Camp VI entrance at Guantanamo, where 70 prisoners were detained. AFP/Getty Images hide caption

Using revamped photo lineup procedures, a Dallas police officer shows a victim of a robbery a single photo of a suspect in an interview room at police headquarters in 2009. Dallas officially adopted lineup reforms two years ago, and last month the state of Texas said all police departments must review lineup procedures. LM Otero/AP hide caption

Lucrecia Silva and her daughter, Helena, are both HIV-positive. They wait as a nurse in Macia writes a prescription for Helena's anti-retroviral drugs. Andrea Hsu/NPR hide caption

Migrants ride on top of a freight train in the Mexican state of Tabasco. They'll hop trains for days, possibly even weeks, before getting to the U.S. border. David Rochkind for NPR hide caption

Libyan clean their weapons under a bridge near Bir Ayyad, a town approximately 25 miles from Zintan in the western mountains of Libya, on June 26. Colin Summers/AFP/Getty Images hide caption

Ivelis Ramos (right) was laid off from her state job as a bookkeeper last year and now runs a makeshift store in Havana's Miramar neighborhood. Restrictions on privately owned businesses are beginning to relax under Raul Castro, Fidel Castro's brother. Nick Miroff for NPR hide caption

Arizona Republican Sen. Jon Kyl (R-AZ) speaks to the media about budget talks with Democrats on Wednesday. With him are, from left: Sens. Lamar Alexander (R-TN), John Barrasso (R-WY), John Cornyn (R-TX), John Thune (R-SD) and Senate Minority Leader Mitch McConnell (R-KY). Mark Wilson/Getty Images hide caption

English novelist (Arthur) Joyce Lunel Cary. George C. Beresford/Getty Images hide caption

James Farm combines the talents of four in-demand jazz musicians: Matt Penman (from left), Joshua Redman, Aaron Parks, Eric Harland. Jimmy Katz hide caption