CSPAN @cspan
Q&A with data journalist @gelliottmorris, U.S. correspondent for @TheEconomist, on the history of political polling in the United States going back to the 19th century and the development and use of polling since then – NOW on C-SPAN https://t.co/4AnVCfrvFg https://t.co/VpgMObR9Nr — PolitiTweet.org