Krause and head coach Phil Jackson had been friends for years, but their relationship was, in Jackson's opinion, shattered early in the 1990s after "Chicago Tribune" reporter Sam Smith (whom Krause despised) published a book on the 1991 title team, "The Jordan Rules". The book detailed the tension that already existed between Krause and the players, and ultimately drove a wedge between Krause and Jackson. Regardless of the success Jackson had as head coach of the Bulls, the tension between Jackson and Krause grew in the succeeding years, and by the 1997–98 season, was especially high, illustrated by the following incidents: