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Researchers conclude that spiral CT, which makes 3-D pictures of lungs, could reduce lung cancer deaths by 35 percent at a cost of $19,000 to $26,000 per year of life saved. The findings apply to people at high risk for developing lung cancer.

A shooting spree that left three African-Americans dead in Oklahoma and the death of unarmed black teenager Trayvon Martin have renewed public debate about hate crime laws. Host Michel Martin speaks with law professor and former federal prosecutor Paul Butler about hate crime statutes and whether they're necessary.

There are 700,000 fewer people working for state and local governments than there were before the recession. Although tax collections are improving, the public sector remains in no mood to hire.

After a relative lull in campaigning, the Republican presidential candidates are back at it Tuesday in Pennsylvania, Delaware, North Carolina and Texas. And a Washington Post-ABC News poll shows President Obama leading prospective GOP nominee Mitt Romney — especially on likability.

Slipstream is Raitt's first album since 2005's Souls Alike, and she's produced most of the tracks herself. Rock critic Ken Tucker says that this return to recording and her renewed control over her music has resulted in one of Raitt's finest albums.

The Kentucky Council on Postsecondary Education is issuing a consumer alert about fake GED tests. The notice relates to fraudulent websites claiming to…

It was an "was unbelievably interesting experience," he says, but "I had plenty of the limelight."

The White House announced Tuesday that there are "no signs yet" that President Assad has pulled back troops and stopped attacks on civilians. Monday, the Turkish Prime Minister Recep Tayyip Erdogan said violence spilled across the border when Syrian forces fired shots into a refugee camp in Turkey.

Lawyers for George Zimmerman in the case of the shooting death of Trayvon Martin say they are no longer representing the man who killed the unarmed Florida teenager. Defense attorneys Craig Sonner and Hal Uhrig said that they had fallen out of contact with Zimmerman.

The Syrian peace plan faced an important test on Tuesday: The Syrian army was supposed to pull out of cities. Instead, more attacks were reported and the plan appears increasingly at risk of failing.