Perjury, Conspiracy Endorsed by the President

Excellent post at Think Progress: The key question, if these revelations are true, is why did these administration officials lie so overtly to the special prosecutor? Knowing hard evidence would come out sooner or later against them (through leaks, emails, etc), the White House officials still chose to lie. What could they possibly be trying to hide?

What I think they are hiding is culpability of the Vice President, the President, the National Security Advisor and current Secretary of State in lying us into war, then smearing anyone and everyone who tried to tell the truth about those lies.

(Well, they only had to smear the ones the press didn't ignore outright.)