Will the so-called public option make it into the Senate's version of a health care reform bill? We speak with Mark Halperin of The Pageat Time magazine.

Accused terrorist Najibullah Zazi was arraigned in a Brooklyn courtroom on charges he conspired to use weapons of mass destruction. We speak with Evan Perez, Wall Street Journal justice department correspondent, about the trail of evidence that the government says ties Zazi to the plot, and how much of that evidence was obtained through expanded surveillance powers granted under the Patriot Act.

Police are searching for more suspects after charging four youths in the beating death of Derrion Albert, outside his Chicago high school. Albert was the third Chicago student killed outside a school this academic year. In addition, there have been five non-fatal shootings. We talk to Chicago Tribune reporter Kristen Mack about Derrion Albert's death, and the violence plaguing the city's public schools.

President Barack Obama begins a series of meetings today to consider what to do about the troubled war in Afghanistan. The sessions come as U.S. commanders in Afghanistan are calling for thousands more troops, but public and congressional doubts about the mission are deepening. Washington Post correspondent Rajiv Chandrasekaran was in Afghanistan recently and joins us to talk about what the U-S military is doing there right now, and what he thinks the real options are for the future.

We feature the music of Childsplay, a collective of musicians who since 1986 have gotten together from time to time to record and tour their repertoire of ballads, reels, and jigs. Childsplay recently released its fifth CD "Waiting for the Dawn" and takes it name from Bob Childs, the man who has built all the instruments used by the group's 14 fiddlers. Our guests are fiddle maker Bob Childs and Hanneke Cassel one of Childsplay's fiddlers and a U.S. National Scottish Fiddle Champion.