National and World News from NPR

In parts of the southeastern US, aggressive fire ants have been driven out by an even more recent arrival, the tawny crazy ant. Edward LeBrun, a researcher at the University of Texas at Austin, describes the newcomers and how one invasive species can out-invade another.

Scientists say climate change could increase pests and weeds, lengthen growing seasons and turn dry soil to dust. Farmers are already on the offensive, adopting no-till cropping methods to conserve water and experimenting with different seeds. And scientists are using a technique called gene silencing to develop new crops--without tinkering with the plants' DNA.

Last year scientists reported that a skin cancer drug appeared to reverse the effects of an Alzheimer's-like disease in mice. But four studies out this week in Science question the original results. Ronald Petersen, director of the Mayo Clinic's Alzheimer's Disease Research Center, talks about the new findings, and the hunt for Alzheimer's drugs.

Throughout Kobo Town's new album Jumbie in the Jukebox, frontman Drew Gonsalves declares his love for the past even as his feet are firmly planted in the present. The music of the Toronto band can drift between classic Caribbean pop styles and even verge on hip-hop, but the singer's perspective remains sharply focused, wry and witty. The song "Postcard Poverty," for example, ribs tourists for whom tropical slums become an exotic backdrop to fun-in-the-sun adventures.

This interview was originally broadcast in 1998.

The mythology surrounding The Doors has centered largely on its lead singer, Jim Morrison, who died under mysterious circumstances in 1971. Morrison is still considered one of rock music's tortured poets and sex gods, but instrumentally, The Doors' distinctive sound was based on Ray Manzarek's keyboard playing. His are the riffs made famous in such songs such as "Riders on the Storm," "Break on Through" and "People Are Strange."

President Obama is once again calling for the prison at Guantanamo Bay to be shut down, even though new polls suggest most Americans want it to stay open. But the chorus of critics has gained one surprising member: former Guantanamo Chief Prosecutor Morris Davis. Host Michel Martin talks with Davis about why he now feels the facility should be closed.

California just unveiled a wide array of choices for the 5.3 million people expected to qualify to purchase coverage through its online marketplace established by federal health overhaul.

It's the first disclosure of prices in the nation's most populous state for individual health insurance that complies with the Affordable Care Act, and the menu of affordable options surprised some consumer advocates and analysts who had been expecting premiums to be much higher.

A longer version of this interview was originally broadcast on June 28, 2012.

Marcus Samuelsson owns two restaurants in New York City and two restaurants in Sweden. He's cooked for President Obama and prime ministers, served as a judge on Top Chef and Chopped, and recently competed against 21 other chefs on Top Chef Masters. (He won.) He's the youngest chef ever to receive two three-star ratings from The New York Times.

Irish banking officials should have known there were problems with the controversial 10-euro coin commemorating James Joyce, according to Ireland's RTE News. The coin misquotes the author's Ulysses, and bears an image of Joyce that his estate did not approve.