Just for info, I use MarsEdit to write my posts, since Safari & wordpress.com's editor don't get along. It works great, and I have no reason to believe it is responsible for my problems, which is:
Some of my links show up as black and some as blue.
My blog is at http://nosleepingdogs.wordpress.com/
In the post I just did, "I saw it in print, it must be right!", the links look black to me except down below the portrait of Jefferson, in the sentence
" (You can also find it in Bully for Brontosaurus, a collection of Gould’s essays, and in Google’s online digitization of same.) where the word "same" is a link and appears blue to me.