"… Alexandria Shooting …": Here's a pretty good roundup of what is known about the Alexandria shooting via Wikipedia
"… NATO Article 5 …": Here's a link to the NATO explanation of Article 5.
"… Ralphie …": From the 1983 classic movie A Christmas Story during which one of the two sons, Ralphie, has to hold a bar of soap in his mouth for having uttered the "F-word."
"… Kumbaya …": Here's another Wikipedia entry, this for the history of the song Kumbaya.
