Alex Hyman pictured his summer internship being one part “Entourage” and one part “The Office”: people screaming into telephones Ari Gold superagent style, others menacing their desk mates as unnervingly as Dwight Schrute did at Dunder-Mifflin.Instead, the office of his entertainment agency was mostly empty when Mr. Hyman, 20, arrived in early June, on the day he had been told to report to the Los Angeles location. He waited outside a locked door until a colleague found him and explained that his boss was working from home. Mr. Hyman was dropped off in a conference room with his fellow interns. They spent the day navigating Excel and joking about it. (What’s an Excel joke? “How do you not know how to use E …
