Actor Rajinikanth categorically said on Tuesday that he will neither apologise nor express regret for his controversial speech about social reformer Periyar E. V. Ramasamy at Thuglak magazine’s 50th anniversary event in Chennai on January 14. In his speech, Rajinikanth had said that Periyar has held an anti-superstition rally in which naked pictures of Lord Ram and Sita were paraded …