Standing in the back of his shop on Broome Street not far from Manhattan's Chinatown, the owner of MNC EBike, a Chinese immigrant who called himself "Mister Lin," folded his arms tightly together as he reflected on the death of another immigrant from his home country -- Wenjian Liu, the New York City police officer shot to death while he and his partner sat in their patrol car Saturday afternoon in Brooklyn. "Whenever you hear about something so violent like this, it's really difficult to accept," Lin explained in Mandarin. (VIDEO-AT-LINK)In just one month, two high-profile cases -- the first...