This photo of released by HBO shows Sean Bean portraying Eddard Stark in “Game of Thrones”. Where most “Game of Thrones” fans were horrified by the beheading of the beloved Ned Stark and blamed it on a ruthless king, Columbia University business professor Bruce Craven saw a lesson in failed leadership. The final season of the popular series premieres on April 14. (Photo by HBO via AP Photo)





This combination photo of images released by HBO show Kit Harington portraying Jon Snow in “Game of Thrones”. The final season of the popular series premieres on April 14. (Photo by HBO via AP Photo)





This combination photo of images released by HBO shows Emilia Clarke portraying Daenerys Targaryen in “Game of Thrones”. The final season of the popular series premieres on April 14. (Photo by HBO via AP Photo)





This combination photo of images released by HBO shows John Bradley portraying Samwell Tarly in “Game of Thrones”. The final season of the popular series premieres on April 14. (Photo by HBO via AP Photo)





This combination photo of images released by HBO shows Lena Headey portraying Cersei Lannister in “Game of Thrones”. The final season of the popular series premieres on April 14. (Photo by HBO via AP Photo)





This combination photo of images released by HBO shows Isaac Hempstead Wright portraying Bran Stark in “Game of Thrones”. The final season of the popular series premieres on April 14. (Photo by HBO via AP Photo)





This combination photo of images released by HBO shows Maisie Williams portraying Arya Stark in “Game of Thrones”. The final season of the popular series premieres on April 14. (Photo by HBO via AP Photo)





This combination photo of images released by HBO shows Peter Dinklage portraying Tyrion Lannister in “Game of Thrones”. The final season of the popular series premieres on April 14. (Photo by HBO via AP Photo)





This combination photo of images released by HBO shows Alfie Allen portraying Theon Greyjoy in “Game of Thrones”. The final season of the popular series premieres on April 14. (Photo by HBO via AP Photo)





This combination photo of images released by HBO shows Sophie Turner portraying Sansa Stark in “Game of Thrones”. The final season of the popular series premieres on April 14. (Photo by HBO via AP Photo)





This combination photo of images released by HBO shows Nikolaj Coster-Waldau portraying Jaime Lannister in “Game of Thrones”. The final season of the popular series premieres on April 14. (Photo by HBO via AP Photo)