PORTSMOUTH, R.I. (September 17, 2014) – For the first time in U.S. Multihull Championship history, the Hobie Alter Trophy will be decided in A-Class Catamarans, popularly known as A-Cats. This Friday through Sunday (September 19-21), the Bristol Yacht Club (R.I.) will serve as host to this US Sailing National Championship for three action-packed days of