One of the best free things to do during the holidays in Kansas City is wander around Union Station. Workers there haven't put up any decorations yet, so it's too early to tell whether this year of financial distress means the Grand Hall will be less-decked. But one thing we can always count on is a giant train set. This one's been up and running for awhile now ... ... with an opportunity for wistful Rockwellian nostalgia at every turn.It just makes you feel all full of holiday cheer. (It
