WASHINGTON (AP) -- A letter addressed to President Barack Obama is being checked for a "suspicious substance," a day after a letter addressed to a U.S. senator tested positive for poisonous ricin, the U.S. Secret Service says....
By HENRY C. JACKSON, Associated Press: Politics
Wed, 04/17/2013 - 9:01am
WASHINGTON (AP) -- A letter addressed to President Barack Obama is being checked for a "suspicious substance," a day after a letter addressed to a U.S. senator tested positive for poisonous ricin, the U.S. Secret Service says....