The quest by Sagamore Development to obtain a $660 million tax increment financing package for its massive Port Covington project erupted into hours of dramatic verbal fireworks during a City Council work session Tuesday, with fingers pointing, accusations levied and raw emotions on display. The fourth hearing on the TIF request drew a capacity crowd of about 200 and centered on affordable housing, profit sharing, hiring goals and labor agreement issues at the planned 266-acre redevelopment of a…