how is it looking, sara? >> reporter: good morning. it looks like the first gop debate made a big difference in the top candidates that voters are considering. like you said, the nonestablishment candidates are moving to the top, and this weekend we got a big dose of retail politicking from some nonestablishment candidates in iowa. let's take a look. donald trump keeps soaring. landing at the top of a new fox news poll. trump isn't the only one climbing. rounding out the top tier of the anti-establishment crowd, neuro surgeon ben carson drawing 12% support and texas senator ted cruz with 10%. losing ground jeb bush coming in fourth with 9% support. a six-point drop from early august. now trump is offering more red meat for conservatives. a hard line immigration plan