In the digital world, almost everything you do to communicate leaves a trace. Often, emails are stored on servers even after they're deleted. Phone calls create logs detailing which numbers connected, when and for how long. Your mobile phone can create a record of where you are.
If you're a journalist trying to protect a confidential source, this is a very difficult world to work in.
This week, North Carolina's governor signed a new law requiring a state-approved photo ID to cast a vote in a polling place and shortening the period for early voting. The move comes just weeks after the U.S. Supreme Court invalidated a key provision of the Voting Rights Act of 1965, which had required large parts of the state to get federal approval before changing voting laws.
Ancient North Americans gouged elaborate rock art into a heap of big boulders northeast of Reno, Nev., more than 10,000 years ago and perhaps 15,000 years ago. That makes the carvings the oldest known petroglyphs on the continent, according to a paper published in the Journal of Archaeological Science.
Originally published on Mon August 19, 2013 9:31 am
Finding doctors to work in the countryside isn't easy.
About 20 percent the U.S. population lives in rural areas, but only about 11 percent of doctors practice there. The lure of cities and suburbs has been hard to overcome. And doctor shortages, already acute in some rural areas, are expected to get worse.
This week, Attorney General Eric Holder called for sweeping changes to America's 40-year war on drugs. Holder is the first African-American in the nation's top law enforcement post. He's also part of a growing movement of black leaders who have pushed for major reforms to the drug war.