Abdullah al-Kidd (right) and his attorney, Lee Gelernt, on Feb 14. Al-Kidd has lost his bid to sue then-Attorney General John Ashcroft for alleged violations of Kidd's rights when he was arrested in 2003. Damian Dovarganes/AP hide caption
National Security
Tuesday
Al-Qaida is known to keep meticulous records. Experts say that's the influence of Osama bin Laden, shown in 1998, who was obsessed with documenting everything. Rahimullah Yousafzai/AP hide caption
Monday
Friday
Sen. Rand Paul (R-KY) speaks during a Tea Party Town Hall meeting in February at the National Press Club in Washington. The freshman lawmaker is being hailed by civil libertarians for putting privacy concerns over the Patriot Act back in the spotlight. Alex Wong/Getty Images hide caption
President Obama's signature. Chuck Kennedy/The White House hide caption
Wednesday
Members of the Bravo Company, 1st Battalion, 5th Marine Regiment watch as a massive dust storm is just seconds away from enveloping Patrol Base Fires in Sangin District, Helmand province, southern Afghanistan. Roughly 100,000 service members are in Afghanistan, and their future there is being newly considered in Washington after the death of Osama bin Laden in Pakistan. David Gilkey/NPR hide caption
Monday
Tuesday
Area 51, seen from above, in 1968. U.S. Geological Survey hide caption
Monday
Hafiz Khan, the imam of the Miami Mosque, also known as Flagler Mosque (pictured), was arrested Saturday along with two of his sons. They, along with three others, were charged with allegedly providing money and support to the Pakistani Taliban. This case, along with another in Chicago linked to the 2008 attacks in Mumbai, India, places U.S.-Pakistani ties under intense scrutiny. Joe Raedle/Getty Images hide caption
Saturday
A still image from video footage released by the U.S. Department of Defense shows Osama bin Laden watching himself on TV. Rex Features/AP hide caption