News From NPR

Microsoft founder Bill Gates met with South Korean President Park Geun-hye Monday, part of a visit to build business ties and boost nuclear energy plans. But it was the handshake they shared that created the biggest stir in Korean society, after Gates greeted Park with a smile — and his left hand jammed into his pants pocket.

More online retailers would have to collect sales tax under a bill making its way through the U.S. Senate this week. The measure won strong bipartisan backing on a procedural vote Monday, and President Obama has said he would sign it.

The political battle over the bill pits online retailers against brick-and-mortar stores — and, in some cases, against other online sellers.

As investigators look into the Boston Marathon bombings, one crucial question is whether the suspects, brothers Tamerlan and Dzhokhar Tsarnaev, acted alone or had help. The clues might be found in the bombs used.

From what is now known, it appears the brothers assembled a whole arsenal of explosives. Watertown Police Chief Edward Deveau told CNN last weekend that the suspects had at least six bombs, including the two used in the attack and one thrown at police during a shootout.

Nutrition labeling has been required on packaged food since 1990, and the new federal food safety law will require calorie counts to be posted for restaurant food — all in an effort to get the American public to eat healthier.

But most studies on calorie count labels show they don't do much to nudge people toward better food choices. If I want that oh-so-delicious Chunky Monkey ice cream, knowing that a half-cup serving delivers 300 calories and 18 grams of fat isn't going to stop me.