Swimming with dolphins? That's so last year. Try riding with dolphins. A Bradenton, Fla., horse owner is offering "horse surfing" for those looking for a different type of aquatic adventure. Reported on HeraldTribune.com , former polo player and 10-year horse surfer Tim Mattox offers horse rides in the bay. Patrons have the option to ride or stand atop the wading animal and jump off into...