Poll Readers Beware

Polling in the NYC Democratic mayoral primary as of August 30th, as viewed in the WNYC Mayor Tracker

Greg David, director of the Business and Economic Reporting Program at CUNY Journalism School, contributor to Crain's New York Business and author of Modern New York: The Life and Economics of a City (Palgrave Macmillan, April 2012), says the results of pre-election polls for local races need to be taken with a grain of salt. He also explains their spotty track records in predicting results.