Susan watched as Vinnie held Tucker back and knew at least her friend was safe. Weak and freezing, she relaxed, knowing she simply didn't have the strength to fight the water any longer and hoping a chance might come up to save herself further along. Who am I kidding, she thought. I'm headed for a waterfall in an underground river. I'm not going to make it.Susan tried to be brave. She remembered her mother crying over a young girl that died back home in New England, drowned by the ...