A group of climate activists had a tense confrontation with Sen. Joe Manchin (D-West Virginia) at Harvard University on Friday, and one protester was physically thrown out of the room. Salon reported that the group Climate Defiance took credit for the action, which happened during an official event at the Harvard Institute of Politics. In a video of the event the group posted to X/Twitter, Manchin is seen sitting at a table while a young activist storms into the room, denouncing the West Virginia senator for his environmental policy. “You sold our futures and got rich doing it. You sick f—. …