With early voting starting at 10 a.m. today the Douglas County Clerk'sOffice is bracing for a busy election season, though perhaps not a record one.Clerk-Treasurer Ted Thran said Wednesday that he's not seeing the same dynamic the county has had in past years."I'm a little more cautious," he said. "We might see 85-90 percent turnout. Our absentee balloting is slowing down a bit."In 2008, 3,669 absentee ballots were returned to the clerk's office.Thran said so far this year, the number of absentee ballot requests may hit 4,000, not all of which will be returned. Oct. 30 is the deadline for …