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Big wildfires create their own weather, and can even spawn tornadoes swirling with smoke and flame. Researchers are trying to determine how often they occur.

Brazil is fanning out 200,000 troops to battle mosquitoes. It's part of larger efforts to combat the transmission of the Zika virus, which has been linked to brain abnormalities in Brazil.

In The Knockoff Economy, Kal Raustiala and Christopher Sprigman say that in the world of fashion, copycats make styles go in and out of vogue faster. Copying breeds competition, Raustiala says, and that makes clothes cheaper for consumers.

The death penalty is in trouble — drug shortages, botched executions and lawsuits are calling the idea of a "humane" execution into question. Some states are returning to previously abandoned methods.

Republican presidential nominee Mitt Romney is in Los Angeles, where he'll do an interview with the Spanish-speaking U.S. network Telemundo. He'll also speak to the Hispanic Chamber of Commerce's annual convention. Later this week, he'll be in Miami for a forum on the U.S. Spanish-language network Univision.

According to U.S. Census data, 62 percent of women who've been giving birth held jobs at the time. Despite improvements in recent decades in attitudes and treatment of women in the workplace, many still face discrimination when the boss finds out they are pregnant.

Voters have given President Obama a second term in office. He defeated Republican Mitt Romney in a hard-fought race in which the economy was the dominant issue. In the end, Obama narrowly won the popular vote but captured more than 300 electoral votes to Romney's 206.

Steve Inskeep talks to Harold Weinbrecht, Democratic mayor of Cary, N.C., about voters concerns there. Cary is in Wake County, a swing county in North Carolina, which could decide which way the state goes in November. Cary is white, affluent and highly educated.

New Hampshire's economy is comparatively strong these days, but that strength varies depending on where you are in the small state. The closer you get to its border with Massachusetts, the more robust the economic activity. The state has been aggressive about marketing the so-called "New Hampshire Advantage."

The hottest place on Earth is as hot as it's ever been, at least in terms of recorded temperatures in modern times.