Just after sunrise early Thursday, as most Coloradans were sipping their morning coffee, Nick Macomber strapped himself into a jetpack and soared high above a local Four Seasons hotel. The flight wasnt long, lasting only about 20 seconds. But that was probably enough to make Macomber the envy of everyone around him. The Smithsonian Channel had a camera crew on hand to document his brief trip to the skies, and the channel plans to use the footage for an upcoming documentary all about jetpacks. …