As he walks down a hall of the Los Angeles Convention Center in December, Rick Dobson is once again buttonholed by an attendee at the annual meeting of the International Association for exposition Management. Dobson hears him out, offers a few words of counsel, and is profusely thanked. In such encounters, the trim, navy-blazered Dobson resembles nothing so much as everyone's favorite professor. Students just can't get enough of him.
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