Bush Doctrine II is preemption against terrorist nuts with nukes. I agree. That is the basis for invasion. All else is ancillary (freedom for Iraq; U.N. Sanctions; Congressional Resolutions, oil, jihadism, etc.)
Failure to intervene now runs a substantial risk of nuclear terrorism within months.
LET'S ROLL!
Pakistan
The best way to end terrorism and ensure peace is to kill terrorists.
The best way to end war and ensure peace is to kill the enemy.