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If networks and political science is your interest, please check out the recent American Politics Research. An entire issue dedicated to networks in political science:

• Michael T. Heaney and Scott D. McClurg. Social Networks and American Politics: Introduction to the Special Issue American Politics Research 2009 37: 727-741. [Abstract] [PDF] [References] [Request Permission]
• Jennifer Nicoll Victor and Nils Ringe The Social Utility of Informal Institutions: Caucuses as Networks in the 110th U.S. House of Representatives American Politics Research 2009 37: 742-766. [Abstract] [PDF] [References] [Request Permission]
• Matt Grossmann and Casey B. K. Dominguez Party Coalitions and Interest Group Networks American Politics Research 2009 37: 767-800. [Abstract] [PDF] [References] [Request Permission]
• Manoj K. Shrestha and Richard C. Feiock. Governing U.S. Metropolitan Areas: Self-Organizing and Multiplex Service Networks
  American Politics Research 2009 37: 801-823. [Abstract] [PDF] [References] [Request Permission]
• Jan E. Leighley and Tetsuya Matsubayashi The Implications of Class, Race, and Ethnicity for Political Networks American Politics Research 2009 37: 824-855. [Abstract] [PDF] [References] [Request Permission]
• Casey A. Klofstad Civic Talk and Civic Participation: The Moderating Effect of Individual Predispositions American Politics Research 2009 37: 856-878. [Abstract] [PDF] [References] [Request Permission]
• Seung-Jin Jang Are Diverse Political Networks Always Bad for Participatory Democracy?: Indifference, Alienation, and Political Disagreements American Politics Research 2009 37: 879-898. [Abstract] [PDF] [References] [Request Permission]
• Mathew D. McCubbins, Ramamohan Paturi, and Nicholas Weller Connected Coordination: Network Structure and Group Coordination American Politics Research 2009 37: 899-920. [Abstract] [PDF] [References] [Request Permission]
• Robert Huckfeldt Interdependence, Density Dependence, and Networks in Politics
  American Politics Research 2009 37: 921-950.

Check it out!!!