Orlando Sentinel tourism reporters Dewayne Bevil and Katie Rice break down all the Disney World 50th anniversary festivities: The new spectaculars (”Harmonious” and “Enchantment”), the Beacons of Magic (Spaceship Earth is a showstopper), the huge (but overwhelmingly happy) crowds, the VIPs (Christina Aguilera made an appearance), and the long merchandise lines (both virtual and visible).