Eric Walker added How a Writer With a Ph.D. in Psychology Became a Poker Champ - The New York Times to Poker

Eric Walker added Maria Konnikova - Wikipedia to Poker

Eric Walker added a number of topics and a number of links to Sports, leisure and entertainment, and added Sports, leisure and entertainment to Society

Eric Walker added Maria Konnikova - Wikipedia and How a Writer With a Ph.D. in Psychology Became a Poker Champ - The New York Times to Poker, and added Poker to Sports, leisure and entertainment