At a time when many Los Angeles County residents are grappling with the squeeze of an economic downturn, dozens of top county government officials are tooling around in "unjustified luxury vehicles" costing taxpayers as much as $50,000 each. More than 1,400 county workers are given take-home cars, even though some don't have official authorization to drive them, and at least 30 employees aren't paying the required taxes on the vehicles. Meanwhile, county employees were involved in 1,852 accidents in their take-home vehicles over the past few years - with 830 accidents in 2005-06 alone that cost taxpayers $6.7 million. The...