While I can agree that such rhetoric can be dangerous, think Collins mentioned something that is plausible given the current heated political climate...
Susan Collins: “I wouldn’t be surprised if a senator or House member were killed”-
[hotair.com]
We have the leftists who think when they burn, loot and murder it's peaceful protest but when their opponents prove them wrong it's violence. Their speech that they made Buy-den deliver was the worst case of stochastic terrorism in history.