“I’m conscious that this clock is beeping at us,” Sheryl Sandberg said to Katie Couric onstage at Vanity Fair’s New Establishment Summit, gesturing toward the lip of the stage. “They’re going to give me a little extra time,” Couric replied, smiling conspiratorially at the audience. Much to the crowd’s delight, Couric’s grilling of the Facebook COO did indeed go over time, backing Sandberg into perhaps the tightest corner in which she’s publicly found herself.