>> reporter: tea party stress says that amounts to a call for violence. herman cain slugged the -- shrugged the comments off. >> that's all they have to intimidate folks. when he mentioned working people, tea party people work too. >> reporter: michigan which was built by big labor was instrumental in birthing the tea party movement. >> harris: as i was listening to hoffa's comments if there were families in that audience that was tough we meant to bleep that it should have happened. we apologize but it did not get bleeped out. wendell goler, thank you. >> u.s. markets closed on this labor day holiday if overseas markets are any indication we could be in for a bumpy ride for trading tomorrow. markets in asia, down 2 to 4%