At least seven people were arrested over the weekend in raids by the FBI on the Michigan-based, Christian militia group Hutaree. A federal indictment charges that members of the anti-government group planned to attack law enforcement vehicles with improvised explosive devices at a law enforcement funeral. The Detroit News reports that the FBI began investigating the group after members made threats of violence against Islamic organizations. We speak with Mark Potok, director of the Southern Poverty Law Center’s Intelligence Project.

New York City is calling on the food industry to cut back on sodium. The plan is voluntary and its goal is to reduce the amount of sodium people eat by 25 percent. Recent research shows that a decrease in sodium would cut new cases of coronary artery disease by 60,000 a year. Our guest is Dr. Cheryl Anderson of Johns Hopkins University. We're also joined by Parke Wilde of the Friedman School of Nutrition Science and Policy at Tufts University, who discusses the role of public policy in debates about diet.

Russian Prime Minister Vladimir Putin is promising that the attackers responsible for setting off explosions at two Moscow subway stations "will be destroyed." Two female suicide bombers blew themselves up on trains during morning rush-hour, killing more than 30 people and injuring dozens. The attacks are being blamed on rebels from the region that includes Chechnya.

The Tea Party Express Tour, organized by Republican operative, Sal Russo, is in Utah today as it winds its way across the U.S. Behind the scenes, a fight is brewing over former Republican House Majority leader Dick Armey's prominent role in the movement. We speak with Kenneth Vogel, senior political reporter for Politico.com.

Stacey Chase was a journalist sent to do a story on the preservation of the Shaker community in rural Maine. The religious order, whose members live communally and take a vow of celibacy, was on the verge of extinction, with just four remaining members. While on that assignment for the Boston Globe, Stacey met Brother Wayne Smith. The pair eventually fell in love and Wayne left the Shakers to marry Stacey. They share their story with us.

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