A puzzling America By Roland Merullo | September 20, 2004 FOR A LONG time now I've been pondering the reasons why conservatives decide to be conservative and liberals to be liberal. Part of the motivation for this pondering is rooted in the fact that I'm a left-leaning independent with a number of conservative friends. Some of these right-wing friends are close relatives, people I love dearly, people who still forward me nasty Internet jokes about Hillary and Bill with a certain kind of triumphant glee.SNIP Most liberals, on the other hand, appreciate life's gray areas, which is perhaps why left-wing...