YOUTH HOCKEY COACH, FORMER DEPUTY NABBED IN SEX STING 7/23/2007 Polk County deputies and state investigators arrested 22 men for allegedly using theInternet to solicit sex with children.  Among those arrested in the undercover sting were ayouth hockey coach and a former Marion County deputy.  The sting, called Operation Guardian,is Polk County investigators pretending to be girls between the ages of 13 and 15.  Among themen arrested were: – Nathan Galbraith, 22, a youth hockey coach from Orlando. – David Ronan, 42, a former volunteer Osceola County Firefighter. – Joseph Cioffi, 51, a Department of Homeland Security employee at OrlandoInternational Airport