Manatee County Commissioner Bob McCann said the county’s second administration building in Lakewood Ranch is becoming a “money pit.” During the May 5 commission meeting, McCann voted against a 20-year agreement with Florida Power & Light for a backup generator that will add $52,744, plus taxes, to Manatee County’s FPL bill every month. “That’s just a lot of expense,” McCann said. "We're spending money like a drunken sailor at a liberty port."McC…