Being included in the Venice Biennale is a very big deal. For emerging artists, it can be a career-defining moment. Even established ones can add another notch to their belt. And for the galleries that represent them, it may very well mean improved business prospects. While dealers generally deny that the Venice Biennale is a selling event (you may get snubbed is you make such a gauche suggestion), there’s no question that collectors, museums, and advisors are known to treat the show a little differently. Even if they aren’t shopping the exhibition catalogue, the publicity associated with an artist’s inclusion provides an excellent opportunity for the back room. So we got to…