I was also confused by the term "diaries": it made me overlook the main content of dKos for a time, a couple of elections ago. I suggest that we first decide whether to replace it (my vote: Yes!), and then choose a replacement. I would prefer any one of several suggestions above.

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di·a·ry

1. a daily record, usually private, esp. of the writer's own experiences, observations, feelings, attitudes, etc.
   
2. a book for keeping such a record.
   
3. a book or pad containing pages marked and arranged in calendar order, in which to note appointments and the like.
   

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...So how did the term "diary" get applied to what clearly aren't diaries, or even diary entries?

Words and ideas I offer here may be used freely and without attribution.