By Linda Arntzenius

After a four-year ban that prevented him from all international travel and kept him from visiting Princeton in 2012, Chinese dissident artist Ai Weiwei has had his passport returned to him.

Last week, Mr. Ai posted a photo of himself on Instagram holding the document, which had been confiscated by Chinese authorities following the artist’s outspoken remarks on number of national scandals, including collapse of badly-constructed schools during a 2008 earthquake.  more