Don't have much to add just now, but just came across this story about a debate a little less civil than this one...

"Montgomery County authorities say a man stabbed his brother-in-law during an argument over who should get the Democratic nomination for president. What's more, Jose Ortiz, 28, who's charged with felony assault, is a registered Republican..."

When in doubt, think about penguins. It probably won't help, but at least it'll be fun.