<p>Democratic presidential nominee former Secretary of State Hillary Clinton debates with Republican presidential nominee Donald Trump during the third U.S. presidential debate at the Thomas & Mack Center on Oct. 19, 2016, in Las Vegas, Nev. (Photo by Mark Ralston-Pool/Getty Images)</p>
Posted at 6:03 AM, Oct 26, 2016
and last updated2016-10-26 09:50:09-04
Can we trust the presidential polls?
Polls have both increasingly shown Democratic presidential candidate Hillary Clinton expanding her lead by as much as 12 points nationally while Republican presidential candidate Donald Trump has blasted the polls as biased.