FOREX-Hong Kong protests slow U.S. dollar rally

* Hong Kong demonstrations raise worries about Beijing response NEW YORK, Sept 29 (Reuters) - The dollar's three-month rally took a breather on Monday on nervousness over Beijing's response to democracy protests in Hong Kong and concerns it might hurt the region's economy and status as a global financial hub. "The situation in Hong Kong is starting to weigh on people. You are beginning to see ...