We are building a tree fort in the backyard for the little people in our family. When I say “we,” I mean my husband, John, is doing all the planning and labor. I am providing a second set of hands when needed, along with encouragement and opinions. His first step was to have the boys draw a picture of the kind of tree fort they would like. I’m not sure if he was procrastinating or truly wanting suggestions, but I think he promised someone a punching bag. At this point, posts are secured into the ground with cement and the basic framing is up. Now he needs decking, which was the reason for our recent trip to the hardware store. On the way, we discussed how to get up to and down from the platform. “I may go with stairs,” John announced. “Wouldn’t a ladder be easier? And maybe a rope. A tree fort needs a rope hanging from somewhere,” I said. " But someone could fall from the ladder.” ...