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The President of Ghana unexpectedly died Tuesday, and Ghana's former Vice-President John Dramani Mahama has been sworn in as the country's new leader. The peaceful transition is in contrast to past coups and political problems. Host Michel Martin recently spoke to Dramani Mahama about the Ghana's turmoil, which he details in his new autobiography My First Coup D'Etat.

The Beauty Shop ladies weigh in on the passing of astronaut Sally Ride and why her death has become a political issue. They also discuss the shootings in Aurora, Colorado. Host Michel Martin checks in with blogger Viviana Hurtado, editors Bridget Johnson and Danielle Belton and Deepa Iyer of South Asian Americans Leading Together.

Democrats and Republicans are going to the brink over tax cuts for the wealthiest Americans in a showdown that threatens to send the U.S. over a year-end "fiscal cliff." So what's at the heart of the impasse?

To Olympians, food is fuel, and mileage may vary. Depending on their sport, contenders need to consume anywhere between 1,200 to 8,000 calories before competing.

The attack overwhelmed first responders' resources. The result was an "outside in" response, the Denver Post reports, during which some of the less seriously injured got treated before those who were critically wounded.

The government forecasts food prices will go up as much as 3.5 percent this year; meat prices will rise as much as 4.5 percent. If the drought continues, prices may go up even more. "Until we get that first heavy rain, we're not going to know for sure" just where prices will end up, a USDA economist says.

A pair of NASA satellite images taken just four days apart tells a potentially worrying story of melting ice in the polar summer.

As drought and high temperatures continue to devastate much of the country's corn and soybean crops, the USDA reports that food prices will continue to rise at least into 2013. NPR senior business editor Marilyn Geewax and The Earth Policy Institute's Lester Brown discuss the rising cost of food.

Olympic athletes are different from you and me. For instance, they're among the most highly trained and well-muscled people on earth. For another, they have to eat an insane amount of food to keep their high-powered engines running.

The crops taking the worst hit from the current drought are the ones we feed to animals, like corn. Higher corn prices mean it can cost more to feed pigs and cattle than they will fetch at market, meaning higher meat prices for all.