Honolulu Mayor Kirk Caldwell on Friday told the Federal Transportation Administration that the City and County of Honolulu has decided to cancel the process that would have used a public-private partnership to build the last third of the rail transit project through the city center. However, Andrew Robbins, HART's CEO and executive director, said in a statement that despite the city announcing "its withdrawal, I need to emphasize that HART is not canceling the procurement and is instead considering…