Last updated 3/24/2016 at 12:54pm
"Joe, I don't think you should try it," Grandma said, sitting on the left side of the pontoon river raft with her feet propped up against the inflated rubber tubing. "What if you fall in?"
I shot Grandpa a help me glance as he sat beside Grandma. He smiled and nodded encouragingly. "Just hang on tight to the front pontoon rope when you see the whitewater," he said. "I don't want to have to jump in and rescue you."
Mark, our young oarsman, and Colorado River guide sat on his raised perch behind Grandpa. "Well, what do you think?" he asked with a teasing grin. "Are you going to the...