Trump would need to learn to argue ideas coherently on the key issues in the face of state-run media interview questions.
He's been at it almost 10 months and hasn't been able to do that yet.
For years, America has elected a congress full of people and a president who could argue "principles", what good has that gotten us? They've only betrayed those principles in the end.
Perhaps. But at lest we knew where they stood in order to measure their performance. With Trump we have no idea.