MIAMI (AP) — Immigrant advocates are urging retailers to pull a Halloween costume depicting a space creature in orange prison garb emblazoned with the words “illegal alien,” while a group that supports strict immigration laws says such a move impinges on freedom of speech.Beyond the holiday uproar, the dispute highlights the controversial nature of the phrase illegal alien — still the government’s official term for those in the country without a visa, though many national politicians and media increasingly avoid using it.- – – -Contact The Daily Reveille’s news staff at [email protected]