What does ...玩得转 mean?
In your example, "玩得转" means "Trump's method is widely accepted in the United States, so his plan was very successful ". 

"玩转" often means "do sth. well" or "understand sth. well"

Example: How to take photographs well(如何玩转摄影)

Let you understand all things about Shanghai well with me(带你玩转上海)

And it is a Internet slang!