In August, McCain told Pastor Rick Warren in a nationally televised interview from Saddleback Church in California that human rights begin “at the moment of conception.”

According to the McCain campaign Web site, the Republican nominee – who claims a 25-year pro-life voting record – opposes “the intentional creation of human embryos for research purposes.”

However, while he was campaigning for the GOP nomination, McCain professed his belief in the promise of embryonic stem cell research.

Stem cells obtained from adult humans have been widely acclaimed for their ability to promote human health and stave off dreaded illnesses. Stem cells obtained from human embryos, however, have not been successful in yielding results in scientific research thus far.