[a little elbow grease]

From the comments after this CT article:

Charlotte says:

January 6, 2018 at 12:01 am

Would Rogers be giving evidence against this lot? Is that why he resigned?

__________

Hmmm..........

Timing is interesting .....

[Steve Van Doorn]

"Is that why he resigned?"

During WWII and previous wars Generals would be replaced a LOT. Keeping generals on for long periods of time is a new relative to history.
Trump or Qanon's team might be using this old strategy. It shakes things up hard for the enemy to out guess your next move. It also avoids corruption and other reasons.

But I do not know