Jon Stewart's last episode of The Daily Show with Jon Stewart was on August 6, 2015. During his absence, American politics has imploded with the election of Donald Trump and the obliteration of the norms we took for granted. Polarization has only become more extreme as social media giants and other Internet companies further exploit our differences for money. With so much chaos in the world and frequent refrains that we're living in the "dumbest timeline," fans have looked for Stewart's return. Five years ago, there were murmurs of a four-year deal with HBO, but nothing …