Despite an apparent lack of evidence that Joe Biden profited from the business dealings of his son, Hunter Biden, the speaker of the House of Representatives, Kevin McCarthy, announced on Tuesday that he was launching a formal impeachment inquiry into the president. Many suspect he was pushed to make the move to appease some far-right members of the Republican party, who have threatened to tank his deal to avert a government shutdown by the end of the month if he does not meet their list of demands. So, will Joe Biden be impeached? Is this just an act of political revenge for Donald Trump? Could it end up backfiring on McCarthy? Jonathan Freedland speaks to Marianna Sotomayor of the Washington Post about what happens next