It turns out Sen. John McCain may not have properly vetted "Joe the Plumber" -- the man he brought up more than 20 times in last night's debate. As the New York Times reports, Joe "may run a plumbing business but he is not a licensed plumber. His full name is Samuel J. Wurzelbacher. And he owes a bit in back taxes." Joe the Plumber probably now wishes he never had his 15 minutes of fame. The Daily Dish : Joe Not A Plumber ...The Daily Dish : The Vetting Of Joe The Plumber ..