Rep. Hastert, R-Ill., ought to announce sooner rather than later that he will not be a candidate for re-election as Speaker of the House when the next Congress convenes in January, 2007. He should do so for reasons both principled and purely political. He should do so because, in practical terms, his effectiveness is reaching -- or probably has already reached -- an end. And the recent embarrassment of his wild over-reaction to the FBI's search of Rep. William Jefferson's office is merely the 100-pound load that, combined with tons of ethical dead-weight, broke the elephant's back. The first reason...