At long last, a mainstream movie about a procedure that millions of American women have undergone. It also happens to be really funny. Regardless of what one thinks about abortion, it cannot be denied that it is a common medical procedure for women. Roughly 30 percent of American women will obtain one. And yet, as Slate’s Dana Stevens has observed, abortion has virtually disappeared as a subject from popular American film and television. Dramas featuring young women routinely use convenient miscarriages as plot devices to avoid having characters make realistic choices, while movies like Knocked Up and Juno follow all...