DENVER – Sen. John Kerry (D-Massachusetts) reopened the door to a possible 2008 presidential campaign during a book signing in Denver and then again, in an interview with 9NEWS. The 2004 Democratic nominee told a crowd of more than 250 at the Tattered Cover bookstore in lower downtown Denver that he had no desire to endorse any candidate for the office right now, choosing to wait to see how they addressed the issue of global warming.

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