When Donald Trump and Hillary Clinton face off in their first presidential debate on Monday, they will have their best chance yet to win over the 27 million Americans who have yet to decide who to vote for.
In some ways, this group looks like typical Trump supporters. They are mainly white, without college degrees, older and frustrated by the status quo.
But while Trump's supporters are mostly men, uncommitted voters are mostly women, according to Reuters/Ipsos polling.
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