Kavanaugh Assault Validates Trump

The attempted political assassination of Brett Kavanaugh is bad for the country, but good for a Trumpian attitude toward American politics.

The last-minute ambush validates key assumptions of Donald Trump's supporters that fueled his rise and buttress him in office, no matter how rocky the ride has been or will become. At least three premises have been underlined by tawdry events of the past weeks.

First, that good character is no defense. If you are John McCain, who genuinely tried to do the right thing and carefully cultivated a relationship with the media over decades, they will still call...