Jay Leno wrote this; it's the Jay Leno we don't often see.... "The other day I was reading Newsweek magazine and came across some poll data I found rather hard to believe. It must be true, given the source, right? The Newsweek poll alleges that 67 percent of Americans are unhappy with the direction the country is headed, and 69 percent of the country is unhappy with the performance of the President. In essence, 2/3's of the citizenry just ain't happy and want a change. So being the knuckle dragger I am, I started thinking, ''What are we so unhappy...