[contentcards url=”https://www.theepochtimes.com/article/new-jan-6-details-emerge-from-20000-hours-of-newly-posted-video-5639254?ea_src=frontpage&ea_med=premium-carousel-2″] One of the most jarring new videos shows police giving a protester the heave-ho out the South Door, slamming him head-first into the…