Well, right here [3], to be specific. Congresspedia [4] is now tracking the congressional primaries in all 50 states, the District of Columbia [5] and the other [6] homes [7] of non-voting [8] delegates [9].

Our 2006 congressional primary calendar [3] page has the dates of all the primaries and, when you click through the links to the various states and then members of Congress, we'll tell you who's been nominated to challenge each member.

If there are other useful services that Congresspedia could provide, feel free to email me at ckenny AT congresspedia.org or, you know, just add it in yourself [10]. Word has it the site is a wiki [11].