Even with his official retirement from Florida Blue today, longtime health policy lobbyist Mike Hightower won’t be hanging up his trademark white-collared blue dress shirts and yellow ties anytime soon. “I will still be very much engaged in this community,” Hightower, 69, told the Business Journal. Hightower is stepping down as vice president of government and legislative relations after 34 years with the Jacksonville-based health insurance company — “an extraordinary journey,” in Hightower’s…