During a 2007 campaign speech in Spartanburg, South Carolina, then-Senator Obama told supporters he would fight for collective bargaining rights if he was elected president.

"And understand this: If American workers are being denied their right to organize and collectively bargain when I'm in the White House, I'll put on a put on a comfortable pair of shoes myself. I'll walk on that picket line with you as president of the United States."

This video was uploaded to YouTube Nov. 3, 2007.