This is the season of commencement speakers. They appear on college campuses around the country, accepting honorary degrees in exchange for offering words of advice and encouragement to graduates. Some may even say things that are a bit out there, or even slightly (very slightly) controversial. But as Prof.
The video nearby shows us a speech from President Reagan, delivered on Memorial Day 1986 at the Arlington National Cemetary. It's a powerful speech, recounting some of those, buried in the surrounding grounds, who answered the nation's call. Many of them are not famous, save to their families, and their comrades in arms. But they are heroes to all of us.