Banning therapeutic and reproductive cloning jeopardizes more than cloning itself. The constitutional principles intertwined with cloning embrace such vital liberties as personal autonomy, privacy, reproduction, and freedom of expression. Properly understood, cloning is essentially the same as other forms of assisted reproduction. Procrustean bans on cloning implicate and indirectly threaten numerous key personal interests, including abortion, in vitro fertilization, same-sex adoption, and surrogacy. A government allowed to preemptively isolate and censor medico-scientific research into...