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      Presidential debate 2012: Barack Obama, Mitt Romney face off for final time

      Romney and Obama will spar on foreign policy during the final presidential debate. (AP Photo/Charlie Neibergall)

      While you watch Monday night's third and final presidential debate, we want you to participate in the latest installment of ABC7/React Labs Instant Reaction.

      While you watch and weigh in on what President Barack Obama and Republican challenger Mitt Romney have to say, the chart below will display moment-by-moment reactions from every participant!

      To participate, log on to www.wjla.com/react from your compatible smartphone. Click here for more information on exactly how to get in on the action.

      Thank you for participating in ABC 7/React Labs Instant Reaction!

      As always, you can join the Twitter conversation without leaving WJLA.com as well. Use the widget below to tweet using the hashtag #Debates.

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