As I seated myself among more than 100 established or would-be entrepreneurs at the Badger Startup Summit at the University of Wisconsin-Madison on Friday, I began to conduct my own unscientific poll. Motivating me was an article in The Wall Street Journal two days earlier about a recent study by Ross Levine and Yona Rubenstein indicating that entrepreneurship seems to be linked with mischievous tendencies such as shoplifting, marijuana use, skipping school, etc. as a teenager.