It was an astonishing 3 years ago that I told you about the development of the space at 1001 Gayley, erstwhile home of a Coffee Bean.  Qwench Juice Bar has officially thrown open its doors and is now dishing juices, smoothies, bowls, sandwiches to the good people of Westwood.  What on earth took so long?  According to a spokesperson, investor issues and city permit problems are to blame.