What Apple must do to establish its new video service

It’s clear that Apple is building a video service. That much was obvious the moment it hired veteran entertainment executives Zack van Amburg and Jamie Erlicht. But you can’t flip a switch and create a streaming service—not even if you’re Apple. (You could buy one, but Apple has apparently chosen to build, not buy, at least for now.)What has to happen between now and the day we all sit down and watch the first episode of van Amburg and Erlicht’s first major acquisi