Ain't No Sunshine

Yes, conservatives are happier than liberals.

Lying to yourself tends to make you happier than people whose first thought when they see a homeless person sleeping under a bridge isn't "Ooh, I could go for a cupcake!"

It would strike me that you don't want to sell an entire book based on the premise that you're drastically more deluded than your political opposition, but hey - different strokes for different folks.