Maybe the most impressive feat Paulo Sorrentino pulls off with The Great Beauty is one of restraint; in two hours and twenty minutes, not a single reference is made to the man whose actions most strongly inform the backdrop of the Italian filmmaker’s latest picture. That would be Silvio Berlusconi, Italy’s erstwhile prime minister and unapologetic career scoundrel, whose bunga bunga stink wafts through every orgiastic party Sorrentino stages throughout his exquisitely crafted film. But that just speaks to the lasting impact Berlusconi’s negligence and corruption have had on Italian society since his resignation in 2011; no one need mention his name to invoke his presence. He’s a specter looming…