Lot of agencies, groups and governments are trying to make this work. Who ever gets it working will have a definite edge in life as we know it. War, economics and everyday life. I think it is a question of when they will get it working not if.
If you look at a lot of other advancements we have seen in our life time we are getting closer to Star Trek all the time. Our phones are beyond what a lot of us thought we would see in 1969. Nasa just tested a near warp drive engine and proved the theory. (see Nasa EM drive) Robotics. 20 years from now robotics will be beyond the manufacturing sector and into the home.