New York City plans to ban the sale of large sugary drinks, announced Mayor Michael Bloomberg on Wednesday. The ban, which aims to fight obesity, would impose a 16-ounce limit on the size of sweetened drinks sold at restaurants, bodegas, and movie theaters. Joining us is Marion Nestle, professor of nutrition at New York University and author of "Safe Food: The Politics of Food Safety." Also with us is Jay Cowit, Takeaway Technical Director and Chief Soda Correspondent.

A 2011 University of Michigan study of more than a thousand middle school students found that those who regularly ate school lunches were 29 percent more likely to be obese than those who brought lunch from home. Of course, what a child eats for lunch is just one of many factors that determines whether he or she becomes overweight or obese. But many schools' dependence upon revenue from vending machines and brand-name fast-food over the past decade may be a tipping point.

Is sugar toxic? A 90 minute YouTube video of pediatrics professor Robert Lustig trying to answer the question has counted 800,000 hits. The New York Times has an interesting piece in the magazine section that explains why sugar is on the minds of so many Americans. Marion Nestle is a professor of nutrition at New York University and the author of "What to Eat" and Barry Popkin is the distinguished professor of global nutrition at the University of North Carolina school of public health. Together they explain why sugar is a major public health risk, and what we should do to control it.

The Wright County Egg company, based in Iowa, recalled 152 million eggs yesterday due fears of salmonella contamination. This brings the grand total to 380 million, after another recall back on August 13. Marion Nestle is an acclaimed nutritionist from New York University and the author of "Safe Food: The Politics of Food Safety." She says that this isn't the first time the Wright County Egg company has found trouble with the FDA, and that salmonella should not be difficult to prevent.

• NUTRITION TAKEOUT: The average American consumes about 1,200 milligrams more sodium a day than they should. Too much sodium in our diets could lead to hypertension and heart disease. To combat this, the FDA is proposing a ten year plan to cut down the amount of salt in our foods. Marion Nestle, an NYU nutritionist and author of "Safe Food: The Politics of Food Safety," has the details of the FDA's plan and tells us whether it might work.
• LEGAL TAKEOUT: The Supreme Court invalidated a federal law that banned videos depicting violence against animals, in an 8-1 decision yesterday. Columbia University law professor Nate Persily looks into why the Court ruled they way it did.

New York Mayor Mike Bloomberg is cracking down on salt in city restaurants. But is salt really that bad for us? In this week's food segment, Marion Nestle, author of "Safe Food: The Politics of Food Safety," explains the science and politics of salt. And Melissa Clark, food writer for the New York Times, compares her low-sodium homemade breakfast offerings to those sold at fast food restaurants.