I had one rule in place when I agreed to the family trip to the Great Smoky Mountains. Under absolutely no circumstances was I going to whitewater raft.  No way.  Wasn’t going to happen.  Nope.  Been there, done that.  Barely lived to buy the t-shirt. Let me relay the memories of my previous whitewater experience – memories that still haunt me.  It was the spring of1998.  I was in college and joined…