When a California company developed a product to be used in spinal fusion surgeries, the firm's president said he knew it faced a new "ethical dilemma," even noting a recent NPR news investigation questioning the high profits some firms were making from donated human tissue.
In California, state officials are planning a multibillion-dollar environmental restoration of the inland delta near San Francisco Bay. There's only one problem: No one knows what the landscape used to look like. Ninety-seven percent of the original wetlands are gone, so the state is turning to historians for help.
This detective story begins on a sunny day in a dry field of corn, about an hour east of San Francisco.
How does a president bring the war in Afghanistan to an end? There are 68,000 American troops serving in the country as the war enters its 12th year.
The war hasn't been a major issue in the presidential campaign, and polls show American voters are tiring of the war. But the next commander in chief will find the Afghan war among the most difficult of many foreign policy challenges.
Both President Obama and Gov. Mitt Romney appear to agree on a date: the last day of December 2014. That's when the Afghan security forces are scheduled to takeover.