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UP counts down to the ultimate moment on Pi Day
Marc Umile, an obsessive Pi enthusiast who claims he can recite Pi out to a thousand digits, joins Steve Kornacki to count down to the “planetary alignment” of Pi: 3/14/15 at 9:26:53am.
Nina Turner: The black vote should be earned06:27
Clinton, Sanders in tight race in Iowa04:02
Rand Paul: Trump will make GOP 'lily-white'05:05
Flint water crisis deepens06:40
University of Iowa football team endorse Trump06:01
2016: How the digital ground game has changed06:47