corner of the state. it was a close, bruising race. according to her official biography, solar energy, immigration reform and issues for military families are her priorities in congress. prior to coming to washington she served in both houses of the arizona state legislature and ran her family's tire and automotive business. she's married to nasa astronaut mark kelly. ever since the tragic shooting the pima county sheriff clarence dupnik has railed against vitriol. we do not have any clinical assessment of the gunman's mental state but the sheriff insists he as a sees that an unstable person could be provoked by hateful rhetoric on the internet. let's have a conversation about is our political rhetoric contributing perhaps. david, i want to go to you