CBC.  A pipeline along the Alaska Highway has yet to begin actual construction, even after nearly 40 years of discussions about it, but congress chair Dave Harbour said progress is being made.  "A bystander might think that nothing has changed, because there is yet no pipeline," Harbour told CBC News.  "But there are … continuing changing circumstances, and that's what we will be dealing with."  Congress organizers have set aside Thursday for delegates to hear from Canadian delegates, including aboriginal leaders, industry and government officials.  N.W.T. Industry Minister Bob McLeod and Gwich'in [...]