Celtic heroes have been indulging in American history and culture on their trip across the Atlantic. Earlier this week the full travelling squad visited the White House to take in a tour and pose for photo opportunities. Basketball games have been arranged within the squad, while players have been enjoying sights out and about in Washington DC after their morning training sessions. There was more of it on Friday night as Major League Baseball side Washington Nationals welcomed representatives of the club as guests for their match-up at home to the Cincinnati Reds. Manager Brendan Rodgers, capt…