October 06, 2015
The fiscally conservative group Club for Growth's super-PAC, which has been openly warring with Donald Trump, released a new poll on Tuesday showing the GOP front-runner falling to second place in Iowa.
The poll found Ben Carson in first place with 21 percent support, followed by Trump at 16 percent, Sen. Marco Rubio (R-Fla.) at 11 percent and Jeb Bush and Carly Fiorina with 10 percent each.
Ben Carson, Carson Campaign Press Release - Poll Shows Trump Drop in Iowa (The Hill) Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/311829