I am pleased to announce that Christian Grose and I have released a datafile including the ideology estimates for U.S. presidents, legislators and cabinet secretaries used in Anthony M. Bertelli and Christian R. Grose. 2011. “The Lengthened Shadow of Another Institution? Ideal Point Estimates for the Executive Branch and Congress.” American Journal of Political Science 55(4): 767-81. The dataset is available by following this link.