He was offering and signing campaign souvenirs for those troops that wanted them. That is not attacking anyone.
Presidents have been actively campaigning while in office for centuries, and Obama even did it for his chosen successor. Big deal.
The TDS is the MSM 1) feeling attacked for what they would normally not even take notice because it is Trump, and 2) going to the unbelievably ridiculous level of accusing a legal violation.
Maybe we should add this to Mueller’s list?