After January fifteenth, when Every Child Needs Two goes into effect, no adopted kid will have to suffer from a single woman’s lack of time, her low self-esteem, her inferior earning power. Every adopted kid will now reap the rewards of growing up in a two-parent home. Fewer single mothers, say the congressmen, will mean fewer criminals and addicts and welfare recipients. Fewer pomegranate farmers. Fewer talk-show hosts. Fewer cure inventors. Fewer presidents of the United States.