SOURCE, Dallas Morning News Tom Fox/Staff Photographer Wil the new American Airlines design remain as it is on fresly painted planes? An American exec says yes, but Doug Parker, who will be CEO of the combined company, doesn’t seem 100 percent. By TERRY MAXON Staff Writer tmaxon@dallasnews.com Published: 03 June 2013 11:20 PM Updated: 03 June 2013…