Dear President Bush, In the days following the 9/11 attacks, you movingly spoke of the unity of purpose emanating all across America. Now, Karl Rove, your top political aide, wants us to believe that you weren't telling the truth -- that Americans were offering "therapy and understanding to the attackers." You cannot remain silent as your most senior advisor purposely twists the truth about a great moment of American unity for political gain. It isn't the first time Karl Rove has crossed the line. It needs to be the last. I call on you to thoroughly reject his cheap, divisive...