sheriff dupnik says the suspect isn t talking and invoking his right against self-incrimination. sheriff dupnik s strong reaction did spur our political team to debate the point last night. i want to share some of that with you now. police have not given a possible motive for these mass killings, but the pima county sheriff, clarence dupnik, did place some blame. he suggested in his word, and i m quoting him now, vitriol, that s a direct quote n politics and the media, inflaming the american public to dangerous levels. let s bring in our senior political analyst, gloria, and our national political correspondent jessica yellen. working this story for us. i ve covered a lot of these news conferen conferences. normally the sheriff gives us the nuts and bolts. this was extraordinary from this sheriff. he singled out some of the political rhetoric in creating the environment that allowed this instance to happen. even though as you point out the suspect is not cooperating with