The big loser in the Democratic presidential caucuses in Iowa wasn't Howard Dean. It wasn't Dick Gephardt. It wasn't even Al Sharpton who managed to attract about .5 percent of the vote. The big loser was George W. Bush. Only one thing can explain the bizarre positions taken by the White House before this week – an overconfidence that President Bush would be facing Howard Dean in his re-election bid this November. Karl Rove's polling must have made the president's political advisers so cocky about the race that they felt invulnerable. What else could explain the president doing the following:...