BRINGING A GUN TO A KNIFE FIGHTNow, THAT’S what I’m talkin’ abouthttp://www.politico.com/news/stories/0808/12685.htmlSen. John McCain (R-Ariz.) said in an interview Wednesday that he was uncertain how many houses he and his wife, Cindy, own."I think — I'll have my staff get to you," McCain told Politico in Las Cruces, N.M. . . .Watch Obama: http://www.americablog.com/2008/08/