Sidney Poitier reprises his role as Mark Thackeray in “To Sir, With Love II,” the sequel to the original 1967 classic film “To Sir, With Love.” It is the eve of Thackeray’s retirement from the working class London school where he has taught for the last 30 years. During his speech to the faculty and friends who have gathered to send him off with good wishes, he announces that he has taken a tea..
