It's a bit of a political cliche: Who do you want in charge of the nuclear codes? But it's a real question that voters are grappling with in this presidential election. KYW Newsradio's Tim McLaughlin spoke with an expert on the president's role in nuclear war.

<p>It's a bit of a political cliche: Who do you want in charge of the nuclear codes? But it's a real question that voters are grappling with in this presidential election. KYW Newsradio's Tim McLaughlin spoke with an expert on the president's role in nuclear war.</p>

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