He is a one trick pony.
He is actually a two-trick pony. He was the sex-advice columnist for Salon Magazine, writing under the pseudonym "Mr. Blue." He wrote his advice explicitly. Let me repeat this for the incredulous, and I swear to God it's true. Look at the photo posted above and contemplate: SALON MAGAZINE HIRED GARRISON KEILLOR AS THEIR SEX ADVICE COLUMNIST. If that won't make you sick, nothing will.