Red Mirage vs. Blue Mirage

With every new piece of vote data, leads that seemed insurmountable are being erased -- by President Trump in Arizona, and by Joe Biden in Pennsylvania and Georgia. FiveThirtyEight's Nate Silver walks through each candidate's path to victory, while examining whether this year's pollsters failed. And with closing gaps, the legal challenges begin flying.  Join us on Twitter, Instagram, and Facebook at @StartHereABC.