Nearly 2000 years ago, The Kama Sutra was written by an unusually flexible Hindu named Vatsyayana. Little could this great man have known that his detailed descriptions of lovemaking would not only become the world's best-known sex manual, but eventually give birth to the chiropractic industry. Today, Vatsyayana's work is being carried on by Barack Obama, who made history not for being the first Black President (an honor enjoyed by Bill Clinton),...