More and more American women are waiting until they are older to have children. Why? Because they are building their careers and waiting for Mr. Right. But what if Mr. Right fails to come along before age 35? As the biological clock ticks along the chances of having biologically related children steeply diminish. Some women are now taking advantage of "fertility insurance" by having fertility clinics retrieve and freeze their eggs. Reason Science Correspondent Ronald Bailey argues that egg freezing should be celebrated as another way in which technological progress is reducing and ameliorating inequalities between women and men, reproductive and otherwise.