Originally published June 15, 2018 Carolyn Blackmon taught her 5th grade music classes the tune and lyrics to “You’re a grand old flag,” for the entirety of her teaching career at De Kalb Junior High School. The chorus will stick in your head and it’s hard to think of anything else for a while after 3 or 4 lively renditions of the tune, written by George M. Cohan. Thanks, Jimmy Cagney. It is Flag Day here in these Untied States today, you know? You can thank the Second Continental Congre...