She’s written 9 books and she loves digging up facts like these. Mamie Eisenhower, wife of the 34th President, wore a pink inaugural gown that had more than 2,000 hand-sewn rhinestones in it. And New York Times Op-Ed columnist Gail Collins also says Mamie liked pink toilet seats. In addition to Collins, we also hear from Betty Friedan about the people who used to be called stewardesses, writer Nora Ephron about how she got her skin to clear up, Bella Abzug on the elusive idea of equality and Shirley Maclaine on why she’d never want to be 20 again.  That’s all on this episode of “Now What?” produced with help from Steve Zimmer, Gabe Zimmer and Stephanie Hou. Audio production is by Nick Ciavatta.