Earlier this month, Internet service provider EarthLink held San Francisco's proposed citywide Wi-Fi network hostage while asking the city to pony up some extra cash. Turns out that wasn't strong-arm tactics — EarthLink is in a world of financial hurt. To cauterize the bleeding, it's cutting 900 employees. Among the victims is Don Berryman, the president of municipal Wi-Fi networks. EarthLink won't be filling the position.