There might be one reason Trump feels no qualms about doing what he wants and saying what he wants..no apologies. Because the Russians have took hold of the Republican party. You saw Ryan joke about "The family" and who gets paid by Russians.
Its as if no amount of evidence will make Congress impeach him. You see that old movie "Z"? about do gooders who expose a corrupt Greek government and just as they get ready to celebrate..tanks roll in and crush all the last vestiges of Democracy. I see Trump every bit capable of doing that. I'm SURE..he and Bannon have kicked around idea's of how to make a Trump dictator.