Analysis: Bernie Sanders and the 2020 age debate

3:00pm PDT - October 6th, 2019    andrew yang - CNN

With only 120 days until the Iowa caucuses, the 2020 election will be here before you know it. Every Sunday, I round up the 5 BIG storylines you need to know to understand the upcoming week on the campaign trail. And they're ranked -- so the No. 1 story is th…