, some people say, Mr. Wu is courting danger by speaking out.???You have to remember, China is a dictatorship,??? says Victor Shih, a professor of political science at Northwestern University. ???If they want to shut him up, they can.???GIVEN the risks, it???s hard not to wonder why one of the architects of China???s reforms has turned so negative, so angry and so defiant.Mr. Wu???s personality an