Who are the real campers? Through-hiking backpackers traversing the Appalachian Trail? The family in an SUV making a tour of national parks and sleeping in tents at campgrounds? People committed to the RV lifestyle who move their homes from state to state as season and whim dictate? Terence Young would say: all of the above. Camping is one of the country's most popular pastimes--tens of millions of Americans go camping every year. Whether...