Question:
Chuck Grassley (R, inc.): 53%
Tom Fiegen (D): 29%

Chuck Grassley (R, inc.): 52%
Rob Hogg (D): 28%

Chuck Grassley (R, inc.): 52%
Bob Krause (D): 28%

About this Poll
Public Policy Polling surveyed 1,901 registered voters, including 580 likely Democratic caucus voters and 530 likely Republican caucus voters, between January 8th and 10th. The margin of error is +/-2.3% for the overall sample, +/-4.1% for the Democrats and +/-4.3% for the Republicans. 80% of participants, selected through a list based sample, responded via the phone, while 20% of respondents who did not have landlines conducted the survey over the internet through an opt-in internet panel