After a bit of a setback (and their first home loss since opening night) the Caps hit the road for a quick trip to the Gateway to the West, St. Louis. They’ll look to bounce back against the Blues – another team that, like the Penguins, has had an up-and-down start to the season. First, some admin stuff: Jakub Chychrun is back, giving the Caps their full complement of blueliners for…