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It's been a dream for many years: Distill clean-burning ethanol from grass, the cheapest vegetation. It's not just a dream anymore. An entrepreneur in Canada has a small factory operating already. He claims that he's ready to blanket the continent with such factories.

Patients with Alzheimer's disease show clear damage to their brains as they age. But some have wondered whether this damage is a cause of the disease or a result of it. Scientists at the University of Minnesota have found a protein that appears to cause memory loss before brain damage appears.

Recruiting and hiring thousands of additional federal Border Patrol agents is a key part of President Bush's plan to reduce illegal immigration. But tough entry requirements and low pay are making it difficult for the Border Patrol to find and retain enough new agents to meet that goal.

Commentator John McWhorter is the author of Winning the Race: Beyond the Crisis in Black America. He thinks the new FX TV show "Black/White" is full of stereotypes and cliches about what life is like for black America.

Iraqi forces loyal to the Shiite-led government were responsible for the recent abduction of about 50 employees from a security company; almost 20 of those abducted have been killed. Sunni political leaders have repeatedly accused the Shiite-led Ministry of the Interior of kidnapping and killing Sunni Arabs.

The German government has admitted that its foreign intelligence agency, the BND, has spied on German journalists. Media reports say some of the country's best-known investigative journalists were targeted as the BND tried to find out what they were working on and who their sources were.

New fines were issued Wednesday by the Federal Communications Commission. The fines are aimed toward indecent programming on broadcast television.

For thousands of nervous parents, a popular college guide listing little-known, but highly-regarded, campuses has attracted a cult following. The Evergreen State College outside Olympia, Wash., is one of the schools listed in Colleges That Change Lives: 40 Schools You Should Know About Even If You're Not a Straight-A Student.

There will be demonstrations both for and against the war in Iraq this weekend in cities across America, which marks the third anniversary of the invasion. But Washington, D.C., will not be targeted this time. Opponents of the war have a new strategy.

Renee Montagne talks with Rhea Paul, professor of communication disorders at Southern Connecticut State University and a researcher at Yale's Child Study Center, about Asperger's Syndrome. Paul explains the disability in the context of this week's StoryCorps installment that features a conversation between a child with Asperger's and his mother.