Napa Valley College took the lead early in the first half and maintained it the rest of the way, beating Skyline College-San Bruno, 73-66, in a nonconference men’s basketball game on Wednesday night in Napa. In breaking a four-game losing streak, Napa Valley got out in front by a 13-point margin in the first half and held off Skyline as the Trojans rallied to make it a one-point game, with 3:59 to go. Cameron Joseph, the top scorer for Napa Valley (2-5 overall) with 18 points, fouled out of the game with 2:59 to play. But the Storm outscored Skyline…