Is it I or Is it Me?

If two people have a "sweet tooth", do they then have "sweet teeth"? What the difference between margin and ratio? Is wildlife singular or plural? Barbara Wallraff, a long time editor, has answered the common and not-so-common questions about our puzzling English language. Everything you've ever wanted to know about grammar and usage but were afraid to ask on the next Exchange. Trish's guest is Barbara Wallraff, Word Court columnist for the Atlantic Monthly and author of "Your Own Words" and "Word Court".

Word court website www.wordcourt.com