Any visitor to the St. Paul Hotel in Minnesota's capital has probably become acquainted with its head doorman, Carlisle Pierre. With his soothing baritone voice and always cheerful demeanor, "Carlisle" has been a permanent fixture at the hotel for the last seven years. With Minnesota Public Radio's Chris Roberts at his side, the Trinidad native shared some of his secrets for providing top-notch service....even in the dead of winter.....at the twin cities' only four-star hotel.