Think Progress assembled a reel of GOP lawmakers stoking violence:
And as Cantor proved, as soon as something really serious happens, it won't be their fault. To wit, here's Newt Gingrich:
I think the Democratic leadership has to take some moral responsibility for having behaved with such arrogance, in such a hostile way, that the American people are deeply upset. So let’s be honest with this. This is a game that they’re playing. People should not engage in personal threats. I’m happy to condemn any effort to engage in personal threats. But I think the Democratic leadership has to take some real responsibility for having run a machine that used corrupt tactics, that bought votes, that bullied people, and as a result has enraged much of the American people. And I think it’d be nice for President Obama, Speaker Pelosi, and Majority Leader Reid to take some responsibility over what their actions have done to this country.