I think your time frame is mistaken.
Lewandowski was replaced partly due to the incident with a news reporter. (Which turned out to be false.)
Manafort was hired to get representatives during the primaries. Manafort is still on staff as a consultant according to my understanding.
Conway and Bannon have been given specific tasks to do.
Think of Trump — he hires people to get one thing done and then lets them go or has them stay on as a consultant. It’s different from what we are used to in a campaign.
True, but in terms of holding an official title we can recognize, they are it.
He likes his people to wear a lot of hats. Corey was simultaneously the campaign manager and in charge of security along with who knows what other responsibilities. Sometimes it works, sometimes all the plates come crashing down. I’m praying we are at the end of this learning curve.