What led to the breakdown of the Iowa caucus app?

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A new mobile app that was supposed to simplify the reporting of results in the Iowa caucuses actually complicated things. Now all eyes are on the app used to collect the data, and the company that made it. Nevada has announced it will not use the app or the company in its caucuses. NBC senior legal and investigative reporter Cynthia McFadden reports for TODAY – and gives a shout-out to “good old-fashioned paper.”