When future archaeologists sift through the layers of artifacts from our current era, they are going to scratch their heads over the vast quantities of happy faces. Bright yellow happy face buttons, decals, refrigerator magnets, knobs for pens and pencils, happy-face ties, coffee mugs, wallpaper, stationery and bumper stickers, even happy face stamps issued by the US Postal service in 1999. Happiness reigns supreme and most people in polls when asked what is most important in life will say happiness." The quest for happiness has become a cultural obsession. It"s a must-have state of mind that is marketed at every turn from fast food to amusement park hawkers to self-help book publishers, cosmetic companies and plastic surgeons. There is even an emerging brand of therapists - happiness counselors. And a new branch of psychology - Happiness Studies - as well as a new scholarly publication, The Journal of Happiness Studies. Have we gone happy crazy? Yes, in a consumer-oriented way, says...