Guest hosting this afternoon's Hardball, Mike Barnicle claimed to decry the politics surrounding the Iraq Study Group's report. But when it comes to political cheap shots, does it get much lower than this comment by Barnicle himself? "Since the report was issued, I think 19 Americans have been killed in Iraq. Does anybody really think about that at the top level here today in terms of the report? Is it all just the politics of it?" View video here.To his credit, John Harwood of the WSJ and CNBC didn't buy into Barnicle's cynical take: "No, no. I think people do...