Donald Trump has been disciplined in advance of the presidential debate in Atlanta on Thursday despite the nonchalance he’s giving off. New York Times’ Maggie Haberman has learned that the 45th president is far from coasting through his preparation. “Trump is definitely been preparing for this debate,” Haberman told CNN’s Wolff Blitzer on “The Situation Room.” “Although for the most part, he’s been preparing in ways that are different than President Biden has.” Want more breaking political news? Click for the latest headlines at Raw Story. ALSO READ: Rep. Byron Donalds, his gigantic Jim Crow m…