We’ve been Dublin-heavy this week as the start of the college football season nears, but Navy won’t be the only service academy to open its season Saturday — just the only one to do it on national television in a foreign country. Far from the spotlight but far more likely to come out victorious, Air Force will kick off against Football Championship Subdivision (the artists formerly known as Division I-AA; another name change pending) foe Idaho State. Here’s a quick breakdown. When and where: Saturday, noon Mountain time (2 p.m. Eastern), Falcon Stadium. TV: None, but the the game will…