“Mason” loves his trains.  He is particularly fond of the blue and the red ones, and wants to carry them around everywhere.  In fact, he has become pretty ambidextrous just so he doesn’t have to let go of the trains for a second while he navigates the world. Now it’s time for Mason to put his shoes on to go to school.  Mason runs away, he hides under the pillows, and laughs gleefully as he evades mom and dad’s best attempts.  Mason’s parents have some choi...