In his new book, "The World of Ice & Fire," George R.R. Martin unveils secrets about the history of Westeros, the imaginary setting of the HBO fantasy series based on his work, "Game of Thrones." In an exclusive video interview with the WSJ Cafe, the Journal’s live culture and performance series, Martin revealed some deeply personal stories about his own life and career. Some quotes from Martin from his interview:

--The Vietnam War Draft: "I actually got conscientious objector status, which was...