Courtesy of WOWSA, Huntington Beach, California. Swim Across America is hosting its 2nd annual Swim Across Lake Michigan (SALM) relay. David McClellan explains, "It will be open to 20-25 swimmers who raise at least US$3,000. It’s a relay format, with swimmers of like speeds swimming in groups of 2-4 people for 30 minute or 60 minute legs. Swimmers will