Technology to filter photos in Web searches may help the Justice Department curb online trafficking in child pornography. The department has thus far focused its efforts on prosecution, not prevention. iStockphoto.com hide caption

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A Click Away: Preventing Online Child Porn Viewing
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California Set To Ban Plastic Grocery Bags
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This image released by the Mexican federal police shows drug kingpin Edgar Valdez Villarreal, aka "the Barbie," a member of one of the country's top drug cartels, during his arrest Monday. HO/AFP/Getty Images/HO/AFP/Getty Images hide caption

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Judges Ask For More Security Amid Threats
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Microsoft Co-Founder Sues Major Tech Companies
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Former Illinois Gov. Rod Blagojevich was found guilty of lying to the FBI, making him the second consecutive Illinois governor to be convicted of a crime. John Gress/Getty Images hide caption

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Illinois Politicians: Really Corrupt Or Just Dumb?
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Immigrants Might Leave Arizona But Not The Country
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Judge's Ruling Ties Up Funding For Stem-Cell Research
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Black Men's Jail Time Hits Entire Communities
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Blagojevich's Trial: The Saga Continues
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Should Science Take Sides In The Gulf?
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