%0 Journal Article %T Polls and Elections The Ground War 2000-2004: Strategic Targeting in Grassroots Campaigns %A Panagopoulos, Costas %A Wielhouwer, Peter W. %D 2008 %R 10.1111/j.1741-5705.2008.02645.x %P 347-362 %J Presidential Studies Quarterly %V 38 %I 2