The camera glides through the sun-bleached streets of Rome, surveying its architecture, singers, tourists. It’s omnipresent; yearning like an idle god striving for subjects. This divinity chances upon a vibrant party and eventually focuses its gaze on one man: Jep Gambardella (Toni Servillo), “king of the socialites,” an idle, wealthy journalist/ex-novelist celebrating his sixty-fifth birthday.…