If Barbara Walters were interviewing Rex Grossman, she might ask him, "Who is Rex Grossman?" Or maybe, "If Rex Grossman were a tree, what kind of tree would he be?"
Grossman probably wouldn't be able to find the answers.
The Bears quarterback doesn't even seem to know what kind of player he is right now. And the Bears will be searching for answers to that quandary from now until the playoffs begin.