Apologies if this has been diaried already today, and for the brevity, I noticed this from Sean Quinn over at Fivethirtyeight.com, who witnessed this personally.
Two Obama supporters were surrounded and threatened by McCain supporters after a Florida rally.
"People were screaming 'Terrorist!' 'Communist!' 'Socialist!'" Sorando said when we caught up with him. "I had a guy tell me he was gonna kill me."
Asked what had precipitated the event, "We were just chanting 'Obama!' and holding our signs. That was it. And the crowd suddenly got crazy."
As Sean suggests, this is boiling to near-violence and a level of hysteria that is not healthy for the republic.