VIENNA (Reuters) - The U.N. nuclear agency said on Friday it would hold a new round of atomic talks with Iran in Tehran on December 13, confirming an earlier Reuters report. "The aim is to conclude the structured approach to resolving outstanding issues related to Iran's nuclear program," International Atomic Energy Agency (IAEA) spokeswoman Gill Tudor said in response to a question. She was referring to an agreement that would allow the IAEA to resume a long-stalled investigation into possible military dimensions to Iran's nuclear program. Iran says its program is entirely peaceful. ...