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A Different Kind of Illegal Alien

Steve Inskeep talks to author Gordon Goldstein about why the White House and the Pentagon are reading his book about Vietnam, Lessons in Disaster, to inform the policy toward Afghanistan.

The California state legislature passed more than 700 new laws last year - most of them take affect January 1st. The laws range from banning people from openly carrying hand guns - to preventing minors from using tanning beds. There are also a number of new laws protecting the rights of gays and lesbians.

The move toward local and organic food is spreading to an area not commonly associated with freshness, or even flavor: hospital kitchens. Advocates say a switch to higher-quality and smaller servings of meat will help patients. But the idea has its critics.

How should the county's health services and public safety officials prepare for the impact of climate change? We speak to Paula Murray, with the County of San Diego's Division of Public Health Services, about how increases in wildfires, flooding and heatwaves could impact public health in the future.

Mitt Romney has clinched the Republican nomination for president with a win in the Texas primary.

San Diego State University professor Dr. Forest Rohwer's recent book "Coral Reefs In the Microbial Seas" gives evidence linking pollution and bacteria to coral reef health.

Today's touch-screen devices seem like a thing of the future, but the technology that runs your iPad or Android can actually be traced back to 1948 and something called the Electronic Sackbut.

Burmese pythons have been slithering around south Florida for decades, but scientists now say the invasive constrictors are so bad, they're eating their way through the swamps. The snakes have decimated populations of mammals like raccoons, possums and white-tailed deer.

'Tis the season for images of snowflakes. Unfortunately, many artistic renderings of snow crystals show an eight-sided structure — something that can't occur in nature. So this year, one scientist decided to set the record straight.