Their rally signs were pink. That was the first indication of their bold tactics. Typically, pink is the color reserved for Planned Parenthood. Then there is the ubiquitous pink of Komen, the breast-cancer advocacy group that seems to operate in the shadow of Planned Parenthood and the shrill politics of the sexual-empowerment agenda. A group of women, about 10 of them, stood on the Washington Mall on a frigid, snowy day, with the Capitol in the background. They were waiting backstage, just before the March for Life opening rally was set to begin. It was 41 years to the...