Tom deLay is not going to return to his post as the majority leader. He wrote a letter which is available in the Washington Post. This bit is especially interesting:
During my time in Congress, I have always acted in an ethical manner within the rules of our body and the laws of our land. I am fully confident time will bear this out.
...
While we wage these important battles, I cannot allow our adversaries to divide and distract our attention.
Who are "our adversaries"? I bet you anything that he doesn't just mean the terrorists. DeLay has always practised politics as if it was war, and probably assumed that everything is allowed in such a war. But he is mistaken. Politics is not war and there are rules to the game. Heck, even war has rules. Too many wingnuts these days think that the game of politics is all about changing its rules. As long as you don't get caught.