Redefining the Role of Jewish Defender Lobby and Zionism in US Society and Politics

US should be considered as one of the few countries which within framework of its political and social structure, interest groups and lobbies enjoy especial status in influencing decision-making system (internal and external) and at the same time it should be considered as a common and usual part of this system or "symbol of legal collection of interests". In one hand, this situation has in special conditions of this society, especially in "immigrant-accepting", "pluralism" and "comprehensiveness of organized interests". In other hand, it relates to the capabilities and mechanisms of this spectrum of actors in the path toward development and realization of desired goals. Among the rest, ethnic lobby of Jewish defender and Zionism enjoy a unique status; a situation that in addition to taking effect of above mentioned characteristics, relates to the considerable capabilities of this lobby. This paper, in addition to theoretical argument about pressure groups and lobbies, tries to examine effective elements of Jewish lobby empowering especially in relation to US’s Middle East policy making.