Karen Tracy is Professor of Communications at the University of Colorado-Boulder and author of "Colloquium: Dilemmas of Academic Discourse," James P. McDaniel coedited "Judgment Calls: Rhetoric, Politics, and Indeterminacy," Bruce E. Gronbeck is A. Craig Baird Distinguished Professor of Public Address at the University of Iowa. He is author of "The Articulate Person: A Guide to Everyday Public Speaking "and "Writing" "Television Criticism,"