Someone forgot to tell him that nerds are supposed to be smart. I’m talking about the geeky ex-governor of Minnesota. The other day, the New Republic carried a piece titled "The Tragedy of Tim Pawlenty" in which the writer, Walter Shapiro, tells of watching the wannabe GOP presidential nominee deliver his stump speech. It offered the following passage about how Pawlenty ended up in law school: "I remember walking past my dentist’s office," he recalled, "and, as I looked at his Buick Riviera parked in the driveway, I began thinking that, to get ahead in life, you had to be...