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January 26, 2012 - As bipartisan political pressure builds to promote natural gas development, the Sierra Club unveils a campaign opposing the controversial drilling method known as "fracking" in North Carolina, where the practice is still illegal.

January 26, 2012 - The Ernie Lopez case highlights the growing international controversy over the reliability of the science used to prosecute cases of fatal child abuse and sexual assault.

January 25, 2012 - As the Environmental Protection Agency readies a long-awaited report on a class of health-damaging pollutants known as dioxins, we look at the biggest industrial dioxin sources in the U.S. -- and find that the South bears a disproportionate toxic burden.

January 24, 2012 - With Republican presidential candidate Newt Gingrich erroneously claiming that "more people have been put on food stamps by Barack Obama than any president in American history," we take a by-the-numbers look at the food assistance program.

January 23, 2012 - The two-year anniversary of Citizens United -- and Stephen Colbert's SuperPAC -- have pushed the issue of money in politics into center stage. The question now: How best to reign in Big Money's big influence?

January 23, 2012 - Last week's ruling that federal judges in Texas overstepped their bounds in drawing a minority-friendly set of interim maps for the 2012 elections was interpreted by some as a win for Republicans -- but it's not so clear that's the case.

January 20, 2012 - When South Carolina residents go to the polls on Jan. 21 to choose a Republican presidential candidate, they won't have to show photo ID thanks to the U.S. Department of Justice's decision to block a state law that would have disproportionately disenfranchised minorities. But Gov. Nikki Haley plans to challenge the move.