Political Junkie: Finally! The voting begins

How predictive are Iowa and New Hampshire?
In the last 40 years, just one person has gone on to win the presidency after losing both Iowa and New Hampshire -- Bill Clinton.
NPR

After months of anticipation, the voting finally begins in the 2016 presidential contest. Iowa holds it's first-in-the-nation caucus tonight. The Political Junkie, Ken Rudin, joins MPR News host Kerri Miller to review what's at stake for the candidates involved.