LaDainian Tomlinson sat alone on a plastic folding chair, drumming his fingertips together and staring at the shiny silver toes on his shoes. In a moment, he would walk across the worn blue carpet

Billed as a way for the government to put more fuel-efficient vehicles on highways, the popular $3 billion Cash for Clunkers program mostly involved swaps of old Ford or Chevrolet pickups for new