I can speak only to my experience. Regarding any of the substantive reports in which I've been involved, the subcommittee has been changed—to a greater or lesser extent than the main committee. Sometimes it's a word. Sometimes it's reflecting—
The main committee has just concluded a major study on democracy assistance, so they may want to make sure that the two studies make the same kinds of recommendations. Those sorts of things are standard practice. Sometimes the meetings in the main committee take longer to consider the report than the subcommittee.