"The key thing here is motivation," said NLRB spokeswoman Nancy Cleeland. "In our complaint, we allege they made it very clear to the union members they were doing this to retaliate against them."
DeMint rips labor board, Democrats in Boeing flap →
"We expected it," she said. "That's what they have said all along they were going to do."
Boeing opens $750 million plant in South Carolina →