Money matters when it comes to winning elections. And races for the U.S. House are no exception. That’s why Washington campaign strategists and the pundit community are abuzz about the recently released second quarter fundraising numbers posted for congressional races. Jim Ellis, who runs an election monitoring and analysis service at www.prisminfo.net, combed through all the numbers and found a couple interesting developments. First, a few wake-up calls. Any time a congressional challenger raises more money than an incumbent, it’s time to take stock. Ellis found 10 cases where this occurred (eight Democratic challengers and two Republican):