links for 2009-06-18

The Ideological History of the Supreme Court of the U.S.
"the relative location of each U.S. Supreme Court justice on an ideological continuum."
(tags: politics visualization information_visualization history supreme_court scotus)
Creating Widgets in Wordpress 2.8 with the Widget API
"I’m going to run you through how to create a simple multi-instance widget for adding posts your sidebar."
(tags: web_development wordpress widgets api php)