Would the Great American Eclipse be the most viewed ever?
(WorldNews Mexico)

More than 23 million people witnessed the 1991 solar eclipse in Mexico City that had a totality that lasted 7 minutes. But will the Great American Eclipse be a better experience? Neil deGrasse Tyson sat down with Meteorologist Joe Rao to discuss more about the totality zone. Check out more StarTalk podcasts here. StarTalk on Mashable is a video series, produced by Mashable and StarTalk Radio. StarTalk Radio is a podcast and radio program hosted by astrophysicist Neil deGrasse Tyson. Follow StarTalk Radio on Twitter, and watch StarTalk Radio on YouTube....