Carmakers show their caution on electric cars at Los Angeles Auto Show

LOS ANGELES (Reuters) - Electric cars are taking a back seat to more profitable trucks and sport utility vehicles at this year's Los Angeles Auto Show, a venue that recently has been a showcase for green cars. Despite Tesla Motors' bold bet on consumer demand for all-electric vehicles, traditional automakers at the show are pushing the trucks and SUVs that generate fat profits, in a reflection of how cheaper gasoline is influencing consumer spending. To view the upcoming al