![Letter to President Obama Tests Positive for Ricin](https://ticklethewire.com/wp-content/uploads/2011/06/president-obama-white-house-photo.jpg)
Letter to President Obama Tests Positive for Ricin
Aaron C. Davis and Sari Horwitz Washington Post WASHINGTON — A letter addressed to President Obama containing a substance that initially tested positive for the toxin ricin was intercepted Tuesday by authorities at a remote White House mail screening facility, according to the FBI. The letter follows the discovery Tuesday of a ricin-laced letter…