Trump has made this pivot to discipline before
WASHINGTON (AP) - Donald Trump has demonstrated more than once that he can project a more disciplined and presidential style when he wants - only to quickly slip back to his old ways.
His first address to Congress was widely seen as a shift to a more presidential tone after a combative and chaotic first 40 days in office. But will it last?
A look at past Trump "pivots" that didn't last long - from the man who once promised as a candidate: "I will be so presidential that you'll call m...