GM,
America First diplomacy  is a certain recipe for disaster. It is only  a catchy phrase that works well for NFL teams not world economics. 
Trumpet will have to build many more huge walls to further isolate the USA from the rest of our world if nationalistic phony patriotism was a workable policy.
This isn't a scamming real estate business, this is where the wise and intelligent people deal with big problems that require tough decisions. Bankruptcy is not an option. Tweeting is silly and intended for those who often communicate by deception and lying. It is not where informed people go for the truth.
In truth, Kerry and Hillary were marvelous Secretary's of State. Ask our allies for their opinions.