Sen. John Kerry is worried about the safety of Martha Coakley: “What we’ve seen in the past few days is way over the line and reminiscent of the dangerous atmosphere of Sarah Palin’s 2008 campaign rallies.”

So… looking back, what ultimately happened at those “dangerous” Palin rallies? Some yahoo yells something inappropriate, and… what?

I mean, it’s not like anybody had their finger bitten off or anything.