Last month a brilliant Amy Schumer sketch came up with a perfect, darkly comic phrase to describe the Hollywood phenomenon of beautiful actresses being put out to pasture after they're deemed too old: "Last F-able Day." Julia Louis-Dreyfuss explained it this way: "In every actress' life, the media decides when you finally reach the point where you're not believably f-able any more." In the skit, Tina Fey says, "Nobody really overtly tells you, but there are signs." But someone in Hollywood decided to be very upfront with Maggie Gyllenhaal that, essentially, her day has passed. Gyllenhaal didn't name names but...