Pro-life organizations are trying to build support for the legal definition that an unborn child is a person to exploit a weakness that was cited by author Harry Blackmun when he wrote the creative Roe V. Wade abortion precedent in 1973. But their work has generated a huge argument within the pro-life movement: whether it's better to chip away at the opportunities abortionists have to conduct their business or a challenge should be mounted to confront Roe's very premise that the unborn are only tissue. WND reported earlier when several pro-life organizations launched an advertising campaign that was critical of...