CNN covered it, if somewhat light-heartedly:

http://www.cnn.com/video/?/video/bestoftv/2011/09/19/mxp-westhoven-occupywallstreet.hln

Fox News gave blog coverage only:

http://www.foxnews.com/us/2011/09/17/demonstrators-occupy-wall-street-to-protest-influence-money-on-us-politics/

Both outlets mentioned the phrase "Arab Spring."