President Obama joked that the G-20 summit in Cannes, France, offered a crash course in European politics, with impromptu bargaining sessions that stretched late into the evening.

Yet the summit produced no big breakthroughs, only vague promises to prevent the political and economic turmoil in Greece from spreading.

After huddling with leaders from throughout the eurozone, Obama reiterated his belief that the countries on the continent can solve their own debt problems.

Choosing a Triple Whopper burger off the menu may say a lot more about feeling inadequate than it does about feeling hungry. In a new study, people chose jumbo portions of food and drink when they felt they lacked power and status.

If true, this data nugget could go a long way towards explaining why 32 percent of Americans are obese. Who doesn't have a day when they feel powerless and dissed? A Super Big Gulp or an extra-large pizza could seem like a quick, cheap fix.

Don't panic if you're a fan of those tiny beads of ice cream. They're still going to be available.

But the cold, hard fact is that Dippin' Dots this week filed for Chapter 11 bankruptcy protection, according to WPSD-TV in Paducah, Ky., where the company that makes the so-called ice cream of the future is headquartered.

For a peek at some fresh ideas in public health, I went to the movies.

Physicians, entrepreneurs, students, activists and at least one blogger gathered at the West End Cinema in Washington this week for the first FastForward Health public health film festival.

"We're at the cusp of innovation in public and community health," co-organizer Andre Blackman told the audience.

The United States Justice Department announced, yesterday, that it was dropping a proposed controversial rule that would allow it to deny the existence of sensitive documents requested under the Freedom of Information Act.

Sen. Chuck Grassley, a Republican from Iowa, sent a letter to the Justice Department about the rule and in a press release said the department had told him it was dropping plans to implement it. Grassley said:

In its initial public offering, Groupon is selling about $700 million in stock. As The Wall Street Journal puts it that's "the biggest tech IPO of its kind since Google's stock-market debut."

If you're not familiar, Groupon is an Internet deals company. It for example, sells $50 worth of food at a restaurant for $25. It splits the profits with the restaurant on coupons redeemed and keeps the ones that customers don't use.