The former Colombian hostage visited eight nations this past week pushing for leaders to support efforts to free hostages still held by leftist rebels.
The Greek language is far richer than French or Italian, but it's much more challenging to master.
Auto woes of the Big Three could hurt plants south of the border – and spur migration north.
At two ranches near the Grand Canyon, they try to raise cattle in a way that doesn’t sully the sensitive southwestern landscape.
The military will use radar, satellite, and infrared technology to locate communities that may face threats from loggers and farmers.
Although commodity prices for a wide range of crops have fallen by as much as 50 percent from record highs in June, the financial crisis is expected to make food shortages dramatically worse.
President Medvedev visits Venezuela this week as a Russian nuclear warship leads joint maneuvers.