In other Ai Weiwei news: the dissident artist is active on Twitter again. Follow his latest comments on the Chinese government's accusations that he committed tax fraud, on the English feed of his posts [@aiwwenglish]

Orchard Street dealer Lesley Heller discusses moving from the Upper East Side to the Lower East Side, cooperation among neighborhood galleries and her recent show of Loren Munk's map paintings. [The Lo-Down]

Here's a preview of Happy Days in the Art World, which debuts tonight at the Performa opening night benefit. [NYT]

Discussing the ongoing lawsuits about resale royalties in California, Patricia Cohen shares this nugget of information: "The Whitney Museum of American Art at one time compensated artists for exhibiting their work. The idea never caught on…" [NYT]

"Robert Preiss arrived in Sarasota in 2006 like a rock star of the international art world: tailored European suits, his silky brown hair never out of place, always driving a Bentley, Porsche or Lamborghini." Now Mr. Preiss faces five years on allegations that he perpetrated a variety of scams at his art gallery. [Sarasota Herald Tribune]

Meet the Turner Prize shortlist. [The Daily Mail]