The interception of the letters appears to demonstrate the effectiveness of security protocols put into place after the anthrax attacks in 2001. The letter that already tested positive for ricin is undergoing further analysis.
The 4.3 magnitude earthquake, with aftershocks, that struck Oklahoma is small, compared with Tuesday's 7.8 magnitude earthquake near the Iran-Pakistan border. The Red Cross expects no injuries in Oklahoma.
States drop GED, which will be available in the future only on computer. It's a historic shift away from the test that set the standard for high school equivalency certification for more than 70 years.
A severe storm system, stretching from Texas to New York, caused flooding and tornadoes in Mississippi, Alabama, and Tennessee, and downed power lines in Minnesota and South Dakota with ice and heavy snow.
Cleanup begins in Missouri and Arkansas, as a strong storm system heads for eastern Ohio and the mid-Atlantic. Meanwhile, Minnesota, the Dakotas, and Wisconsin face ice and snow.