Really, the term 'RINO' has become so meaningless because people who assume that they are the baseline of a true Republican just toss around 'RINO' as an insult to anyone who disagrees with them. It's getting silly.
Only thing I'd add is that it isn't getting silly, it has long since past silly and become self-destructive.
How many more stupid articles about this are going to be posted here. She endorsed the woman, deal with it or join up with your hero Mitt.
Take your pick.
VERY well put.