In classic Trump, his response:
"I have tremendous crowds and tremendous love in the room and, you know, we seem to have hit a chord. But some of these polls coming out, I don’t quite get it."
The most recent Iowa poll showing Carson ahead was conducted by Monmouth University and released Monday. It showed Carson leading Trump by 14 points, his biggest lead to date.
Trump has led the Republican field nationally in almost every poll until now.