Chinese porn site owners who tried to hide from Web police by moving their illegal ventures to foreign servers are latest victims in China’s crackdown on online smut. Police have “cracked the cases” of two Chinese porn sites that the owners ran on U.S. servers and updated through an encrypted virtual private network (VPN) China has closed thousands of Web sites and arrested dozens in its campaign against online porn this year. The expansive crackdown on Web porn, launched early this year, may be meant to clean up the Internet before this fall.”]