Sub-microscopic materials are now in hundreds of consumer products, and the tiny particles can defy standard physics and may pose a risk. The FDA is passing the buck to the EPA to regulate them. Janet Babin reports.
About 20 percent of the nation's GDP goes into health and welfare programs, thanks to high oil prices. Even if prices drop, President Hugo Chavez might be able to keep the social spigot open. Dan Grech reports.
Treasury Secretary Henry Paulson believes the tax burden on businesses is driving some companies away. Critics say closing tax code loopholes benefitting well-connected industries is a better move. Jeremy Hobson reports.
Google has proposed a billion-dollar bid to keep airwaves open to smaller telecoms and innovators. But established telecom carriers say it's nothing but a government handout of valuable spectrum. Jeremy Hobson reports.
Funding for a little-known program helping workers who lose their jobs to overseas competition is being held hostage by GOP backers of presidential fast-track trade authority. Chris Farrell explains the controversy.