A few days after Ireland’s monumental decision to guarantee all of its banks, a researcher from The Marian Finucane show rang Sean FitzPatrick to see would the then chairman of Anglo Irish Bank be interested in appearing on the show. FitzPatrick was with his chief executive David Drumm when the call came in. Initially, his inclination was to decline the opportunity. “[David] said: ‘Why would you not go on? It will be great, you would be better than me. You are better known than me and so on,’” FitzPatrick recalled in a 2010 interview for The FitzPatrick tapes, a book…