Ai Weiwei's wife questioned  As China's most famous artist and
government critic has become more outspoken again in recent
weeks, it seems the government is once again closing in.  On
Tuesday, Ai and his friends reported that police came to his
studio in the afternoon and led his wife, Lu Qing, away for
questioning. Ai was away from the studio when the police
arrived, and Lu was questioned for about two hours, reportedly
over the same questions that have been asked before.  Ai, who
was held without charges in secret detention for three months
this spring during the Chinese government's crackdown on all
dissent, was silent for several months following his release.
Since he paid more than half of his $2.4 million tax bill --
which he denies owing -- the artist has grown more vocal and
critical, granting multiple interview requests and returning to
social media platforms.  Last week, he said his staff were
questioned about a potential porn investigation related to his
series of nude photographs. In response, gro