The fate of what could be the priciest merger in tech industry history will soon be in the hands of a federal judge who must decide whether to stop Microsoft from closing its deal to buy video game company Activision Blizzard. Federal antitrust enforcers have sued to block the $69 billion acquisition that they say will harm competition between Microsoft and gaming industry competitors such as Sony and Nintendo. The Federal Trade Commission, which enforces antitrust laws, has asked U.S. District Judge Jacqueline Scott Corley to issue an injunction that would temporarily block Microsoft and Ac...