It's been 20 years since the fall of the Berlin Wall, and Germany marks the historic step toward the country's reunification with a celebration. The wall stood for 28 years, and its 1989 fall heralded the collapse of communism in Europe.
Politics Daily: The Biggest Event Since V-J Day
Sphere: Famous Street Was Caught Between East and West

Three young Americans who were arrested after straying into Iran from Iraq are accused of espionage by a senior prosecutor in Tehran -- a signal the trio may be put on trial. The timing of the allegations raises the possibility Iran is using the case for leverage in negotiations with the United States over its nuclear activities.

The U.S. Consumer Product Safety Commission announces that British company Maclaren is recalling 1 million strollers amid reports of children's fingers getting lopped off in the devices' hinges. The recall involves models going back to 1999.

Witnesses saw Diane Schuler pull off the road and get sick twice before she drove the wrong way down a New York highway July 26, killing herself and seven others, police reports say. Autopsy results released in August showed Schuler was drunk and had smoked pot before causing the horrific crash.

Research shows that a test used in doctors' offices and emergency rooms to determine whether a patient has H1N1 often fails to detect the virus. Tests are used to help doctors decide whether to treat a patient with antiviral medications.

Weather officials downgrade Ida, currently heading toward the U.S. Gulf Coast, to tropical storm status after its top sustained winds dropped to near 70 mph. Hurricane warnings which were in effect for the region have now been replaced with tropical storm warnings. The storm is expected to make landfall along the coast sometime Tuesday morning.

In a case that has shed light on the extreme stress placed on caregivers, Bobby Yurkanin, far left, is accused of killing his father, right, on a Florida beach outside their condo. The elder Yurkanin, who was 84 when he died in 2005, had Alzheimer's disease.