As you travel west on I-64 through Illinois toward St. Louis, Mo., there’s nothing quite as welcoming as that big arch just across the Mississippi River on the east side of St. Louis. Seeing it, whether for the first time or the 10th, makes me feel welcome. You kind of get a breathless feeling, like you’ve finally arrived somewhere. Soaring high above the city’s skyline, the Gateway Arch suggests to newcomers that, yes, you’ve finally made it. I can only imagine how travelers and MORE