Staying the President is about foresight. About anticipating your opponent's moves and devising counter measures. The winner plots one step ahead of the opposition. And plays her trump card just after they play theirs. It's about making sure you surprise them. And they don't surprise you.
I think this sums it up
Trumps plan, I think he has not played his card yet, they are wondering what his end game might be. Trump has them scared and rightfully so