Although Mitt Romney's stump speech has changed with time, one idea has remained constant from the earliest campaign stops. Romney invariably tells voters that he wants to "restore" America.

Some observers think it could be bode well for Romney that he has done well in 2012 in some of the same metro area counties in Ohio and Michigan Obama won in 2008. But it's risky to read too much into that, a political science warns.

About half of college students who drink say they have blackouts. They're much more likely to end up in the emergency room, according to a new study, and cost a college about $500,000 a year in medical expenses.

It's been a year since the uprising began, and as the death toll rises, some American lawmakers are calling for U.S. military intervention. Host Michel Martin explores the issue with Shaun Casey, who teaches "Just War" theory, and Abderrahim Foukara of Al Jazeera International.

Historian Andrew Preston says questions in an undergraduate class he was teaching at the start of the 2003 invasion of Iraq spurred the research for his new book, Sword of the Spirit, Shield of Faith. "Once I started looking for religion [in U.S. foreign policy], it was everywhere," he says.

For five seasons, actress Sonja Sohn played Detective Shakima "Kima" Greggs on the critically acclaimed HBO series The Wire, which chronicled life and death on Baltimore's toughest streets. When the series ended, Sohn stayed in Baltimore — to help young people straighten out their lives.