WASHINGTON (Reuters) - The Pentagon said on Wednesday that a Turkish proposed buffer zone was **t one of the military options under consideration as a U.S.-led coalition pursues airstrikes in Syria, but ack**wledged it was a subject of discussions with Ankara. "This is **t a new issue," Pentagon spokesman Rear Admiral John Kirby told a news conference, **ting longstanding Turkish interest in a buffer zone. "It is **w **t on the table as a military option that we?re considering. That said, I think it?s a topic of continued discussions. ...