Special Counsel David Weiss’ allegation that a former FBI informant was fed anti-Biden propaganda from the Kremlin and laundered it to congressional Republicans who then used it to launch an impeachment investigation into President Joe Biden is a “scandal of historic proportions” says former Republican political strategist Tim Miller. Reminding MSNBC viewers that the bombshell news is really a story about election interference, Alicia Menendez on Wednesday’s “Deadline: White House” turned to Miller. “This is now coming from inside the House of Representatives, inside the Republican conference …