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Mel Carnahan 2000 Senate Campaign Ad
00:31John Ashcroft 2000 Senate Campaign Ad
00:28Spencer Abraham 2000 Senate Campaign Ad
00:30NARAL's Anti-Gardner Senate Campaign Ad
00:17Cory Gardner 2014 Senate Campaign Ad
00:29Mark Udall 2014 Senate Campaign Ad
00:30Thom Tillis 2014 Senate Campaign Ad
00:30Kay Hagan 2014 Senate Campaign Ad
00:30Jeanne Shaheen 2014 Senate Campaign Ad
00:30Now Playing
Scott Brown 2014 Senate Campaign Ad
00:29
Meet the Press
Scott Brown 2014 Senate Campaign Ad
00:29To see the impact in how big data has changed political strategies, compare these ads from 2000 and 2014March 10, 2017
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Mel Carnahan 2000 Senate Campaign Ad
00:31John Ashcroft 2000 Senate Campaign Ad
00:28Spencer Abraham 2000 Senate Campaign Ad
00:30NARAL's Anti-Gardner Senate Campaign Ad
00:17Cory Gardner 2014 Senate Campaign Ad
00:29Mark Udall 2014 Senate Campaign Ad
00:30
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