The January 6 Show

As has been true of so many things surrounding Donald Trump’s career in politics, many more people have come out of the January 6 committee hearings looking worse than looking better. Most importantly, the whole tawdry spectacle reminds us: As many good things as Trump accomplished with the presidency, he was unfit to be entrusted with the office, and Republican voters should discourage him from seeking it again.

The committee itself has been controversial since the beginning. Much of its purview involves events that occurred in full public view or that...