COGNITIVE DISSONANCEWhen you don’t really have a coherent policy argument, it twists you into knots sometimes. Exhibit A: Tim Pawlenty on not raising the debt ceiling . . .http://videocafe.crooksandliars.com/heather/pawlenty-federal-government-should-not-raiPawlenty, whose failure to sign a state budget in 2005 forced 9,000 state employees to stop pubic services for nine days, told host Chris