Documents filed with the Supreme Court and unsealed on Wednesday revealed definitively, and for the first time, that Special Counsel Robert Mueller is the party seeking a grand jury subpoena and subsequent contempt citation against an unnamed, government-controlled foreign corporation that has resisted prosecutors' efforts at every turn. Fox News has previously reported on strong indications that Mueller’s office was behind the case, although neither his office nor lawyers for the unnamed overseas company would provide confirmation. The proceedings are believed to be linked to attempts by Mueller's team to secure information to present to an empaneled grand jury in...