Whole Foods fans can meet the company's CEO next week, as John Mackey is slated to attend a book event at the National Press Club. Mackey will discuss his new tome, "Conscious Capitalism: Liberating the Heroic Spirit of Business," at 6:30 p.m. Tuesday. A signing will follow. tickets for the general public will not cost a whole paycheck, only $5, with proceeds going to the National Press Club Journalism Institute.