The comments of a speaker at a recent rally that featured an appearance by former President Donald Trump in Pennsylvania is being widely cited as justification for President Joe Biden’s labeling of his opponents as “semi-fascists.” That talk, which served as one of several warm-up speeches prior to the main event with Trump, involved comments in which a defendant in the Jan. 6 Capitol riot was spoken of as a victim even though the person in question has been credibly accused of also being a Nazi sympathizer. Those remarks are therefore being put forward by some on the left as...