<p>This survey was conducted by the Des Moines Register and Tribune Co. A sample of 407 adult Republican Caucus goers were interviewed November 26-30, 1995. Major topics covered: Republican cauc
<p>This survey was conducted by the Des Moines Register and Tribune Co. A sample of 1,001 adult residents of Iowa were interviewed November 28-December 6, 1983. Major topics covered: Democratic
<p>This survey was conducted by the Des Moines Register and Tribune Co. A sample of 605 adult residents of Iowa were interviewed November 28 - December 1, 1979. Major topics covered: new litter
