Joe Biden made clear the central purpose of his presidency in his inauguration address: “We have learned, once again, that democracy is precious. Democracy is fragile,” he said at the U.S. Capitol, where a violent mob had attempted that month to reverse its 2020 electoral victory. Biden’s goal would be to unify the nation and shore up its democratic institutions. That is one of the reasons why the President’s Sunday pardon for his son, Hunter Bi…