now lead to violent backlash because they think it's leading to hitler. is our democracy robust enough to withstand a freedom without definition or a fear of a future hitler that won't allow us to take even minor steps to stop a current slaughter? >> welcome back to "state of the union." that was jon stewart with a clip from his new show "the problem with jon stewart" which apple tv plus boasts is its most viewed unscripted series ever. after stepping out of the spotlight for just a few eventful years in america and around the world, jon stewart is back with a new tone and a new mission. joining me now, jon stewart. thanks for joining us. your last episode of "the daily show" was in 2015. between then and now, there have been two presidential elections,