2016 Iowa caucuses: Two races decided by very different factors February 1, 2016 · Leave a Comment Two very competitive contests in Iowa Monday night were decided by very different factors. Here are some key findings from the CBS News Iowa entrance poll. CONT. Stanley Feldman & Melissa Herrmann, CBS News Share:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to email a link to a friend (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)MoreClick to print (Opens in new window)