<p> U.S. Border Patrol vehicles drive from a checkpoint in December 2010, as teams of border officers comb the Arizona desert about 10 miles north of Mexico in search for a suspect in the fatal shooting of U.S. Border Patrol agent Brian Terry in the rugged terrain in Rio Rico, Ariz. </p>
A top political appointee in the Obama Justice Department says he made a "mistake" when he didn't flag questionable tactics used by federal agents in a gun-trafficking case for his superiors last year.
Lanny A. Breuer, assistant attorney general in charge of the criminal division, told NPR he found out in April 2010 that agents at the Bureau of Alcohol, Tobacco, Firearms and Explosives had let more than 400 guns connected to suspicious buyers cross the Southwest border during the Bush years, but he didn't tell senior leadership at the Justice Department.
<p>The world's population has just hit 7 billion people and continues to grow. Population experts are concerned about the rise in consumption that will accompany the increase in people. One California home builder, ZETA Communities, designs and builds small, highly energy-efficient homes.</p>
Credit Zeta Communities
<p>At the ZETA Communities factory, modular homes are built in assemblies of floors, walls and ceilings, rather than piece-by-piece. A 1,500 square-foot home can be built in a single day. </p>
Credit ZETA Communities
<p>Some of ZETA's units are as small as 300 square feet. Architect Taeko Takagi designs small spaces with very simple things: "I like to provide a large sink, so that the person who's using it doesn't feel like they're lacking or living smaller and everything is miniaturized."</p>
The planet may not feel any different today, but there are now 7 billion people on it, according to the United Nations.
That number will continue to rise, of course, and global incomes are likely to rise as well. That means more cars and computers, and bigger homes: the kinds of things Americans take for granted. It's that rise in consumption that has population experts worried.
MF Global, the securities firm run by former New Jersey Governor Jon Corzine, was forced to file for bankruptcy protection Monday. The company, at Corzine's urging, made big investments in European sovereign debt. Those bets turned out to be losers. Analysts don't believe MF Global is a harbinger of bad things to come. It was much more exposed to European debt than most U.S. financial companies. Zoe Chace reports for NPR's Planet Money.
Greek Prime Minister George Papandreou says he will ask the public to vote in a referendum on last week's European debt deal. His surprise announcement could throw a wrench into the bailout agreement. The bankers holding Greek debt agreed to accept losses on Greek bonds on the assumption that the country would carry out austerity measures. For the latest, Steve Inskeep talks with reporter Joanna Kakissis in Athens.