<div id="ooyalaplayer" style="width: 800px; height: 450px;"></div><div style="display:none;" id="kalturavideoplaceholder">kalturavideoplaceholder</div><div><div><script src="https://apis.google.com/js/platform.js"></script><div class="g-ytsubscribe" data-channel="BusinessInsider" data-layout="full" data-count="default"></div></div></div><p class="embed-spacer"></p><p>Presidential candidate Ben Carson is head-to-head with GOP frontrunner Donald Trump in a new <a href="http://www.businessinsider.com/poll-donald-trump-surges-ben-carson-2015-9" target="_blank">Monmouth University poll.</a></p><p>The retired neurosurgeon is known for his outspoken nature and controversial opinions. Here are seven of his most headline-making remarks.</p><p><em>Produced by&#xa0;<a href="http://www.businessinsider.com/author/lamar-salter" target="_blank">Lamar Salter</a></em></p><p><strong>Follow BI Video:</strong>&#xa0;<a href="https://www.facebook.com/BusinessInsider.Video">On Facebook</a></p><p>&#xa0;</p><p>&#xa0;</p>

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Donald Trump's new top rival - Ben Carson - also has a history of saying provocative things

kalturavideoplaceholderPresidential candidate Ben Carson is head-to-head with GOP frontrunner Donald Trump in a new Monmouth University poll.The retired neurosurgeon is known for his outspoken nature and controversial opinions. Here are seven of his most headline-making remarks.Produced by&#xa0;Lamar SalterFollow BI Video:&#xa0;On Facebook&#xa0;&#xa0;

kalturavideoplaceholderPresidential candidate Ben Carson is head-to-head with GOP frontrunner Donald Trump in a new Monmouth University poll. The retired neurosurgeon is known for his outspoken nature and controversial opinions.

Donald Trump's new top rival - Ben Carson - also has a history of saying provocative things

Lamar Salter

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