No person, during the course of any campaign…shall…make a false statement concerning the voting record of a candidate or public official. —An Ohio law The subject of abortion roiled Washington last week, as it has frequently done during the 38 years since the Supreme Court, by nationalizing the issue, made it the cause of a deep fissure in American politics. Last week’s interest in abortion could have been, but was not, because of the simultaneously heartening and (one hopes) unsettling report about stunning success in treating severe forms of spina bifida in utero. If babies can be surgery patients 19...