There have been a few constants over the past 40 or so years in Iowa: the butter cow at the state fair, the dominance of the University of Iowa's wrestling team and Chuck Grassley.
원문출처 : https://www.cnn.com/2021/06/21/politics/chuck-grassley-des-moines-register-poll/index.html
원문출처 : https://www.cnn.com/2021/06/21/politics/chuck-grassley-des-moines-register-poll/index.html