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30 Seconds to Know

What is a caucus?


30 Seconds to Know: Reporter for msnbc, Zach Roth, explains why some states have primaries and others have caucuses during a presidential election season. He also explains what happens at a caucus as opposed to a primary.Nov.05.2014

Republicans on msnbc

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  • Trump on Bush 41's marriage: 'I'll never beat' 73 years

  • Legal adviser reportedly warned Trump that Cohen could flip

  • Trump: Nobody's been tougher on Russia than Donald Trump

  • Trump uses Japanese PM's visit to talk up Mar-a-Lago

  • Pompeo N Korea trip meant to boost flagging Trump nominee: report



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