Tyson Foods (NYSE:TSN) has decided not to reinstate John R. Tyson as its Chief Financial Officer following his suspension earlier this year. What Happened: John R. Tyson, the former CFO of Tyson Foods, will not be reinstated to his previous role at the company. Tyson Foods had placed him on suspension following his arrest for driving while intoxicated in mid-June. On Thursday, the company announced that Curt Calaway, who had been serving as interim CFO, will now assume the position permanently. John Tyson will remain an employee on a health-related leave. Calaway, 50, received a salary increas…