Bloomberg/DMR Iowa Poll: Without Romney, the GOP Field Is Wide Open for 2016

There's an appeal to Ben Carson's life before politics, while the poll suggests a tough road for most of the GOP's biggest names.
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To understand why the Mitt-Romney-should-run-again camp won't take its marbles and go home, even after wife Ann says he's “done, done, done” with presidential campaigns, look to wide-open Iowa.

The Bloomberg Politics/Des Moines Register Iowa Poll of likely 2016 Republican caucusgoers shows that while the party's 2012 nominee leads the pack, other established hopefuls are struggling for a foothold and second place is going to a political newcomer, retired neurosurgeon Ben Carson.