here is the poll
http://www.publicpolicypolling.com/pdf/2015/PPP_Release_IA_92215.pdf
and their summary
http://www.publicpolicypolling.com/main/2015/09/trump-still-leads-iowa-clinton-in-good-shape.html
Romney was included and got 7%
Kasich 2% and 2% second choice. A poor IA showing would hurt his effort in New Hampshire.
Cruz is struggling with Evangelicals.
His Majesty loses head to head matchups with everyone but Jeb. Ha.