The election of Trump shows that the Permanent Government is just not all that strong internally. Libya and Syria show it is just not all that strong externally. And it reacts to these demonstrations of weakness by uncontrollably sliding into positions more extreme and aggressive. The wind has been blowing this way for some time, and continues to blow this way.
When the Russians were dealing with President Gay Caffè Latte, they complained the US was “not agreement capable”. They would make an agreement with one branch of the US government, and few hours later another branch of the US government would sabotage the agreement by blowing stuff up.