Rick Santorum picks a fight with Michele Bachmann By ALEXANDER BURNS | 7/18/11 6:25 PM EDT The former Pennsylvania senator is trying to start something, Dan Hirschhorn reports: Rick Santorum isn't impressed with Michele Bachmann's debt ceiling theatrics, telling POLITICO that the tea party firebrand is "playing politics instead of providing real leadership in the debt limit debate." "We have the President of the United States scaring seniors by saying they might not receive their Social Security checks. We have Minority Leader Mitch McConnell wanting to cede authority to the President, and we have Michele Bachmann playing politics instead of...