The core of the GOP’s Biden impeachment inquiry was already debunked by the Trump impeachment inquiry

House Speaker Kevin McCarthy (R-CA) finally succumbed to pressure from Fox News and its caucus and announced an impeachment inquiry into President Joe Biden on Tuesday that nonpartisan experts, Senate Republicans, and even some of his own members acknowledge lacks evidence of presidential wrongdoing. A pillar of the effort apparently involves reviving a right-wing conspiracy theory that was debunked during the impeachment inquiry into then-President Donald Trump four years ago. That conspiracy theory is that Joe Biden corruptly pushed the government of Ukraine to fire Viktor Shokin, the country’s general...