Medicaid is providing Viagra to nearly 200 of the state's worst sexual predators.....under a federal program.....(including) a fiend who preyed on a 2-year-old, and a criminal who attacked a 90-year-old woman..... "The whole purpose of Viagra is to increase sexual performance, is to increase libido, is to increase blood flow, to increase the capacity of the user of the medication to perform sexually," said state Comptroller Alan Hevesi, whose office released the study. "Some of them, as a condition of their parole, are required to take medication to do the opposite, and this contradicts it......." Those receiving the drug have...