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Ninja Warrior Julie Hopper is a gymnast and a PhD, but can she use that athleticism and cunning to finish the "American Ninja Warrior" course? It'll be a steep order!
Cable Highlights The MHP panel talks about the issues facing our water infrastructure, from water pollution to water droughts and shortages.
Cable Highlights Alex Witt talks to NBC News Olympic Security Analyst Andrew Weiss about the current state of affairs at the Sochi Olympics and Russia.