A key broadcasting partner for the next Republican presidential debate permits and even promotes political extremism, false conspiracy theories and misogyny on its site, according to observers of media and extremism and a Guardian review of content on online video platform Rumble. The Guardian’s survey of Rumble revealed dozens of accounts posting content including Holocaust denial, pro-Nazi and pro-Hitler advocacy, white nationalism, and content from banned creators like white nationalist Nick Fuentes. The RNC announced last week that Rumble will be the exclusive livestreamer for the event, which will be attended by all main Republican presidential candidates apart from Donald...