i've covered a lot of these news conferences, jessica. normally a sheriff comes out and gives us the nuts and bolts. this was extraordinary what we heard from the sheriff in pima county. >> he singled out some of the rhetoric that you pointed out in creating the environment that allowed this kind of instance to happen. even though as you point out the suspect is not cooperating with investigators. we don't know the motive. president obama also delivered that message, saying it's partly the political rhetoric that led to this. so that's why we want to bring up one of the themes that's burning up on the social media right now. on twitter and facebook, there is a lot of talk in particular about sarah palin. and as you might recall, back in march, of last year, when the health care vote was coming to the floor of the house, and when this was all heating up, palin tweeted out a message on twitter saying, common sense conservatives don't retreat, instead, reload. and she referred folks to her facebook page. on that facebook page was a list of democratic members she was