OU CAN'T HOPE TO KEEP UP WITH THEM if you've left your teenage years behind. Pam Kenny and Johnny Elliott show just how fast an American step can go before Anno Domini settles on your shoulders. To do it properly you have to know your Amrican music, dance band leader, and your floor. In addition you must have a perfect undemanding with your partner. Even that's not enough unless your'e absolutely fit and convinced it's worthwhile.
