Issac White can jump almost 5 feet in the air—and he's only 5'10". That might be why people address him as "Sir." We went down to Houston to meet Sir Issac, see what it's like to make a living off your vertical in Space City, and watch him dunk a basketball over a person's head. Get ready to rise above the rim.The 360˚ experience can be viewed in Chrome or Firefox. Or, if you are on a mobile device, download the YouTube app.