Long before The Capitol Steps, “Saturday Night Live,” Second City, and all the late-night comedy shows, there was a group of clever Chicago lawyers who, since 1923, used parodies of popular songs, witty dialogue and burlesque humor to lampoon and skewer national and local politicians and celebrities in a production called “Christmas Spirits.”For nearly 50 years, I was fortunate to be a part of the creative team of writers from The Chicago Bar Association that consisted of such stellar attorneys as …