George Zimmerman, the 30-year-old Floridian acquitted last year of murdering Trayvon Martin, says he’s homeless, jobless and struggling with post-traumatic stress disorder. Zimmerman made these comments in an interview with Spanish-language television network Univision that aired last night, a week and a half before the second anniversary of the shooting. An English-language translation of the interview was released on Saturday. Zimmerman was the neighborhood watch volunteer who encountered the unarmed 17-year-old at a gated community in Sanford, Fla. Zimmerman said he suspected that Martin might have been the burglar responsible for a string of break-ins. During a confrontation, Zimmerman shot …