With the recent release of the Walt Disney Treasures: TomorrowLand DVD set bringing back to the fore Walt Disney’s interests in looking toward the future, the Walt Disney Family Museum highlights the 40th anniversary of the 1964 World’s Fair and the making of Mary Poppins. Participants in newly added video clips include Marty Sklar, John Hench, Karen Dotrice and Walt’s friend Ray Bradbury, who talk about Disney’s many technical breakthroughs and cutting edge contributions.