When was the last time you scarfed down a Big Mac at McDonald’s? For some high school students, fast food is a way of life — and not a very healthy one. Christopher Bolden-Newsome, community farm director and educator with Seeds for Learning-Beyond the Farm, a program that helps inner-city kids at Philadelphia high schools plant their own urban gardens and learn about nutrition and business, is a leader in the food-justice movement. He talks about his Seeds for Learning work and why the food justice community, which advocates access for all to good, healthy foods, is growing. …