A short learning curve.
From Kyle Becker: We’ve all been there: Stuck in a hopelessly circular argument with a liberal who won’t get to the point, acknowledge basic facts even exist, or get past juvenile name-calling in debates. It can be really frustrating.
One thing people can do to fight back is just to code all the non-responses to logical or rational arguments. Cryptically flipping back “Give me a break with that number 5 nonsense” or “Man, number 3, again?” can really humiliate people whose stupidity is broken down to a science.
So with no further adieu, here is your Rosetta Stone of Liberal Rhetoric (and it can be done with less-than-bright members of other political persuasions).