Can vegan diet fuel an athlete?

Lots of organic-eaters are also vegetarians or vegans. Here's an athlete that insists that protein is no problem on a vegan, whole-foods diet. So what did you eat yesterday? Bradley Saul, a former pro-cyclist and founder of Organic Athlete, stopped in Tucson last week to talk about his organization...What he had munched on that day: half of a case of strawberries, two heads of lettuce chopped into a salad, some oranges and about 50 small dates.