UPDATE 3-U.S. in sanctions talks with Commerzbank and Deutsche -source
July 08, 2014 at 14:23 PM EDT
FRANKFURT, July 8 (Reuters) - U.S. authorities have begun settlement talks with Germany's Commerzbank and Deutsche Bank over their dealings with countries blacklisted by the United States, extending a crackdown on European banks at a delicate point in U.S.-German relations.