- Two researchers say caucus goers are more liberal or conservative than primary voters
- Going into Iowa, Sanders and Cruz have an advantage over less ideological opponents
Christopher F. Karpowitz and Jeremy C. Pope are associate professors of political science and co-directors of the Center for the Study of Elections and Democracy at Brigham Young University. The opinions expressed in this commentary are theirs.
(CNN)With only a few days until the Iowa caucuses, the political world is buzzing with anticipation for the presidential nomination process to go beyond polls and speeches to actual voting and caucusing.