"This is the guy who once called me the worst columnist in America," Steve Lopez explained in his column today about downtown activist, blogger and now King, Brady Westwater. "I did not," Westwater responded. "I called you the worst columnist in history."If you move downtown, Westwater will be your neighbor. Try, though you might, you will not be able to shake him. At every turn, you'll see Westwater wearing a cowboy hat and a......