According to the FBI, a Mississippi man was arrested for sending possibly poisonous letters to President Barack Obama and Senator Roger Wicker. There were other reports of mysterious packages in Senate office buildings and in senators' offices in their home states. Authorities are continuing to investigate the suspicious materials.
A snowstorm socked the Northeast, knocking out power to 2.3 million, snarling travel, and dumping more than 2 feet of snow in a few spots. It could be days before many see electricity restored.