ELGIN, Texas (KXAN) — Down Syndrome is the most common genetic disorder in America, marked by slow physical development and mental impediments leaving an adult with the capacity of an eight or nine year old. It is especially. Girls (and some guys too) would debate for hours over which Corey was cuter, which Corey was dating the latest teen starlet and whether. detail the sexual abuse perpetrated on Corey Haim…