CNN Starting Point April 18, 2013 12:25:00
In connections with a ricin scare in the nation's capitol. letters to president obama and senator roger wicker of mississippi were intercepted. the letters are undergoing additional testing. >> any time a suspicious pouder is located in a mail facility it is tested. and the mail is screened. the mail sent here is screened and these tests are undertaken at remote sites to mitigate risk to recipients and general population. >> the fbi says results of the tests on those envelopes could be released later today. president obama, vowing to fight on after a gun control bill came up short. the senat...