This collection of previously unpublished articles examines Noam Chomsky's Extended Projection Principle and its relationship to subjects and expletives (words like "it" that stand for other words). Re-examining Chomsky's proposition that each clause must have a subject, these articles represent the current state of the debate, particularly with respect to the theory's universal applicability across languages. Presenting an international and highly respected group of contributors, the volume explores these questions in a variety of languages, including Italian, Finnish, Icelandic, and Hungarian.