"In an appearance on MTV yesterday, Secretary of State Colin Powell advocated condom use as a responsible way to prevent the spread of AIDS, diverging from President George W. Bush’s policies in favor of abstinence-only sex education...

Abstinence only education programs prohibit discussion of birth control, condoms, and other family planning devices as effective means for preventing sexually transmitted diseases (STDs) and unwanted pregnancy. According to a 1997 study by the National Campaign to Prevent Teen Pregnancy, “there does not currently exist any scientifically credible, published research” that show abstinence-only programs delay or reduce sexual activity..."

I'd comment, but I think the entire article said it best.