A local politician’s post about high grocery prices has gone viral. Pitt Meadows-Maple Ridge MP Marc Dalton posted his observations about the price of steaks at Costco, and it has been viewed in social media more than three million times. “Mark Carney told Canadians we could judge his government by the prices at the grocery store,” Dalton noted. “This package of four rib steaks for the barbecue at Costco… $142.56. “Costco built its reputation on…