Looking for something really, really different in a political candidate this year? Take a gander at Jonathon (The Impaler) Sharkey, who will launch his gubernatorial campaign in Princeton, Minn., on Friday the 13th as a "satanic dark priest" and the leader of the "Vampyres, Witches and Pagans Party." Since there's nothing but a $300 filing fee to stop anyone from running for statewide office, campaigns in Minnesota typically attract colorful and eccentric characters looking for attention. And of course, former Gov. Jesse Ventura broke the mold and got elected. But Minnesota may never have seen a more outside-the-box politician than...