Gormley: We're losing PotashCorp's head office without a fight

When looking at how far the mighty have fallen, a quick history lesson doesn’t hurt.
In 2010, the world’s leading potash producer, Potash Corporation of Saskatchewan, rejected a $39-billion purchase offer from the world’s largest mining company, BHP Billiton, because it was “insufficient and wholly inadequate” for the value and future earnings of PotashCorp.
Fast forward to 2016 when PotashCorp, with a lower market capitalization by then of $14 billion, jumped into