Three girls grow up in the Quad Cities, a crossroads along the border of Iowa and Illinois which has been deeply affected by the recession. Follow them in this unflinching and revealing exploration of what poverty means to children.

Explore the shadow world of assisted suicide, where the lines between legality and criminality are blurred.

Travel to the remote epicenter of the campaign finance debate for a tale of money, politics and intrigue.

Investigate the groups that changed the debate on climate and redefined the politics of global warming.

Hundreds of hours of research and dozens of original interviews reveal new details and fresh insights about the two candidates - and our choice this November.

Witness a high-stakes experiment to rescue students prepared to quit high school without a diploma.

Journey to the heart of the insurgency, inside the rebel groups that are waging a brutal, full-scale assault on the forces of President Bashar al-Assad.

Trace the history of the AIDS epidemic through the experiences of individuals who tell their stories.

Join correspondent Miles O'Brien to investigate the flaws in our dental system and nascent proposals to fix them.

Find out how the field of forensics, with few uniform standards and unproven science, can undermine the search for justice.

Follow the battle over the future of Rupert Murdoch's News Corporation, his reputation and his family's fortunes.

Witness an unprecedented account of the crisis inside Japan's Fukushima Dai-ichi nuclear complex after the earthquake and tsunami on March 11, 2011.

Examine the implications of the Fukushima accident for U.S. nuclear safety.