Quick. Read the sentence below.
“WITH GRATITUDE TO MY PARENTS, MOTHER TERESA AND THE POPE.”
Did you find anything wrong with the sentence construction? If you pressed N, you are a heretic killer, a serial-comma killer.
“WITH GRATITUDE TO MY PARENTS, MOTHER TERESA, AND THE POPE.”
That comma after Teresa is called the Oxford comma. For centuries, the English-speaking world has been split between the anally retentive who believe an extra comma should be inserted, and those who can’t spot the difference.