Annual pro-life conference focused on science and technology; presentation are by physicians, professors, and other professional members of the pro-life community. This year's keynote: John Horvat II of the American Society for the Defense of Tradition, Family & Property and the author of "Return to Order." His talk will be titled "The Coming Pro-Life Challenge, What it Will Take to Win." Other presentations will include talks on embryonic life, contraceptive vaccines, brain death and organ donation, internet ads, adult stem…