It’s college commencement season, which means it’s also dis-invitation season — the time of year when schools summarily rescind invitations to speakers who might challenge their students’ opinions.

Jason Riley is the most recent victim, though he’d probably reject that label. Virginia Tech had invited him to deliver remarks to a group of business students, but then fretted that he’d upset the delicate young things who each bring that institute of higher learning nearly $40,000 a year.