Further dispelling myths about sex and chastity in the past, the Guttmacher Institute, a private New York-based think tank that studies sexual and reproductive issues and which disagrees with government-funded programs that rely primarily on abstinence-only teachings released their report Tuesday. the report shows that 9 out of 10 americans have had pre-marital sex. The reports findings even extend to the 1940's, dispelling myths about our parent's and grandparent's alleged chastity. The s...