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.

Obama hosted British Prime Minister Cameron... Santorum trails Romney in money as well as delegates... Romney is looking to swing states and districts to boost his claim on the nomination.

Unlike Louisiana, Alabama, Florida and other conservative states in the South, Mississippi is well on its way to having an insurance exchange ready for operation by the 2014 deadline laid out by the health overhaul law.