I remember the "obsidian" quotation pretty clearly, but I will withdraw the Loretta Swit, H.L. Mencken and Lyle Lovett questions.
DQ:
Antagonist?
IQs:
Did you play a crazy mom in a Seventies movie?
Were you a mayor who had a convention center named after him?
Did you call the U.S. Constitution "a covenant with Hell"?