What to expect in a Pence-Kaine debate showdown

The vice presidential debate is just one day away. What’s at stake as the second-in-line candidates take the national stage? Also, how will recent revelations about Donald Trump’s taxes and comments on women affect the polls? And what do Hillary Clinton’s chances look like with younger voters? Amy Walter of the Cook Political Report and NPR’s Tamara Keith join Judy Woodruff to discuss.