Originally Posted by Kent Wang,May 16 2005,20:42
What are you talking about?
"About what are you talking?" Prepositions (e.g. to, about, with, from, for, etc) should not be at the end of a sentence. Well, not in more formal speech anyway. It can also get a little awkward in slang. E.g. 'I am not the person with whom to mess.'