The little engine that could, just did! The 4.0 Carefree tennis team captained by Adam Kolenberg won the National Championships in Las Vegas by defeating the southern team from Arkansas by a score of 4-1 in the national finals. The Carefree team, playing out of the Merrick, N.Y. Carefree Racquet Club, capped an unbelievable season that saw them win the Long Island regular season and then go 12-0 in the post season, sweeping the Sectionals in Syracuse, N.Y. and the Nationals in Las Vegas.