I think HART was designed and intended as a hog trough for the corrupt elites here.
The runup in cost is due to both poor planning, incompetence and greed/corruption.
The discussion of how to pay for it can best be described as trying to put lipstick on a bloated 2000 pound sow.
What many do not realize yet, is that this is so big, it will damage the well being of the whole State of Hawaii on more than one level.