Many of my Republican friends believe the President is in the early stages of cognitive decline based on his erratic behavior.
It's extremely hard to tell where the trolling ends and the cognitive decline begins — which is actually tremendously concerning, since we have 28 months left to navigate.
Objectively, an 80+ year old starting wars in the Middle East while engaging in a trade war with the most docile, kind ally we have (Canada) is really confounding.