(CNN) Marco Rubio is running a presidential campaign marked by precision, caution and discipline -- so much so that the Florida senator delivers the exact same speech, jokes, quips and one-liners wherever he goes.
When he addresses the media, his aides select the reporters who can ask questions, often shutting down follow-ups. During media interviews and presidential debates, Rubio is quick to fall back on the same script that he often delivers before GOP audiences in New Hampshire and Iowa.
His campaign makes sure every room is packed. Lately, that's because an overflow audience is interested in hearing from the surging candidate. But other times his aides have cut the room in half with drapes, ensuring it's a standing-room-only crowd.
Advertisement - story continues below