collective "swoosh" of hundreds of newspaper pages turning) is a
little rule that applies whenever you have a noun or pronoun,
followed by a form of the verb "to be," followed by another noun or
pronoun. "This is she," "the winner is he," "It is I," etc. That
little "is" (or "am," "are," etc.) tells you that the two nouns in
the sentence are one and the same thing. The rule is, whenever you
have this construction, you use the subject pronoun, not the object