City of Miami Commissioner Joe Carollo’s attorneys are fighting tooth and nail to block a witness statement that may undermine their defense in a lawsuit accusing the commissioner of abusing his power to harass two Little Havana business owners. Carollo’s legal team — a squadron of lawyers from four different firms — is asking U.S. Magistrate Judge Lauren Fleischer Louis to disqualify the statement from former Miami city manager Emilio Gonzalez…