How Far Can Trump Push Our Highest-Ranking Military Brass?

When I read words like these, I still think there’s a chance our top military leaders will refuse to obey some outrageously illegal order from the president.  Perhaps something like this:

Trump: We’re annexing Canada as the 51st state, by military force if necessary.

Full General Dan Caine, Chairman of the Joint Chiefs of Staff: The f*** we are.