Poll expert explains the limits of polls August 9, 2015 · Leave a Comment Lee Miringoff, director of the Marist Institute of Public Opinion, describes why he’s wary of TV networks using polls to determine debate invitations. Reliable Sources, CNN Share: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Email a link to a friend (Opens in new window) Email Share on LinkedIn (Opens in new window) LinkedIn Share on Tumblr (Opens in new window) Tumblr Share on Pinterest (Opens in new window) Pinterest More Print (Opens in new window) Print