Some of them have been laying low for a long time and would not be considered interns.
2) Some of the Palin Deranged may be Romneybots, but they could also be pretending to be Romneybots. Any true Romney people should keep an eye out for these, because they'll hurt Romney as well as Palin (full disclosure, I held my nose and voted for Mitt in the primary, Thompson was already making dropout noises)
3) They have new rhetorical tells. I suggest reading this thread
http://www.freerepublic.com/focus/f-news/2463717/posts
to get a feel for the newer style.
4) Listen for posts that start out--"I love Sarah Palin, too, but she just doesn't have enough education or experience" and other memes. "I am concerned"