The FBI has confirmed that a letter addressed to President Obama has "preliminarily tested positive" for ricin, a day after lawmakers said another letter sent to the Capitol Hill office of Sen. Roger Wicker tested positive for the same substance.
Read more: http://www.foxnews.com/politics/201...nt-to-sen-wicker-lawmakers-say/#ixzz2Qk8lB9kz
Read more: http://www.foxnews.com/politics/201...nt-to-sen-wicker-lawmakers-say/#ixzz2Qk8lB9kz