segregating genders and uniting them have downsides--Too much focus on 'the priesthood' in one room and 'the RS' in another; too much focus on 'scouting' in one room and 'YW' in another--on the other hand there are times/places when men need special attention (not all, but there are some areas where men excel generally more than women, such as engineering and the heavier aspects of construction) a