The United Auto Workers had reason to abandon — at least temporarily — its drive to establish itself at Chattanooga’s Volkswagen plant. But, a labor expert said, union officials may never say why the UAW backed out.

There’s more to the story than what union President Bob King has said publicly, according to Patrick Semmens, spokesman for the National Right to Work Foundation.

The foundation defended the interests of five VW employees who opposed the union’s involvement there.

“We learned last week the NLRB rejected the UAW’s appeal to keep our five workers out of this hearing,” Semmens said. “Our staff attorneys were down in Chattanooga today. They were prepared to present evidence and make the case in these hearings that the results of the election should stand."

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