See my post on Palin’s responsibility here, over at Rupert’s Read: http://rupertsread.blogspot.com/2011/01/palin-beyond-pale.html
Here is the shot Democratic Congresswoman last year noting that Palin pictured her in rifle crosshairs: http://tinyurl.com/34cstf4
And re. the Palin wink to those contemplating violence: Here is a real shocker: http://www.dailykos.com/comments/2011/1/8/13371/41091/21#c21
The real depth of this is in the frames that the Right, especially the Teabag scum, have been using around this issue. The frames that have ‘legitimised’ what happened here. See my @GreenRupertRead twitterfeed, and the excellent work of the Cognitive Policy institute, including the @CognitivePolicy twitterfeed.