Ari Emanuel makes a lot of calls.
For nearly four decades, the Hollywood superagent—best known outside Tinseltown as the inspiration for Ari Gold on Entourage—has made a career out of it. “On a typical day in November, I might roll a hundred calls,” he writes in his new memoir, the aptly titled Roll the Calls. During TV hiring season: “Now it’s three hundred.” During Endeavor’s IPO, his “normal three hundred calls a day increases by another hundred.” Extrapolate those…

