Bob Christmas is heading into his 38th year of coaching football and his 12th as the head coach at North Hall High.Since coming to North Hall, he has won 86 games, including 13 in a run to the state semifinals in 2007. While the past two seasons have been disappointing in terms of what has come to be expected for the Trojans, Christmas is excited by the direction his current team is heading. He spoke on Wednesday with The Times about the team’s summer program as well as its prospects in 2012.