DETROIT: General Motors has responded to charges that a PR firm working on its behalf tried to bribe former Labor Secretary Robert Reich, saying the entire episode was a "misunderstanding."

In a commentary on public radio on April 19, Reich said that one of GM's PR agencies--later revealed to be Strauss Radio Strategies-- contacted him and asked him to support the company's proposed employee buyback program.

"GM's PR firm said they'd offer me money if I did this, as a show ...