Horizon - 1988 (July 28)

Grand Canyon #4 Package (Bloom); Tempe Rio Salado Package, Frank Williams In-Studio (Bloom); Robert Robb Commentary #38 Package (Wong). Segments on "The Grand Canyon: Clashing With Man, Part Four" - a special report on issues concerning the Grand Canyon (Glen Canyon Dam), Tempe's plans to resurrect the Rio Salado Project, and Robert Robb's commentary (what Vice President Bush needs to do to defeat Michael Dukakis).