I thought it was built already under the Palin-Parnell administration.  After all, Palin said during her debate with Joe Biden that "We’re building a nearly $40-billion natural gas pipeline —which is North America’s largest and most expensive infrastructure project ever.” 

And during the Republican convention, she said: ""We began a nearly $40-billion natural gas pipeline to help lead America to energy independence."

I assumed if begun in 2008 the gas line would be completed by now.  I guess I was mistaken.