Starting today, for the next 42 days, you can head over to Comedy Central’s special “Your Month of Zen” website and tune into a marathon of The Daily Show with Jon Stewart. As Stewart’s final day as host of the show approaches (Aug. 6), the site is streaming 16 years worth of episodes around the clock. The last two days will be part of the network’s SiriusXM station’s Jon Voyage special, airing some of the most popular clips from his tenure as host. Tune in now to catch a glimpse of what political satire looked like a decade and a half ago …