I see that Sarah Teather is denying rumours that she plans to defect. She refers to the people suggesting this as "twits", but is it so odd people believe this? After all she hardly has a rock solid record of principle does she? She has back tracked on lots of things,; I suppose tuition fees would be the biggest example, although one might choose economic policy. I suppose in personal terms her biggest betrayal would be sticking the knife into Charles Kennedy.
She always seems to be motivated by whatever pleases people at that moment. Hence she always demanded more spending.
She has recently lost her ministerial job, no doubt as a result of some back room deal. Since then she has suddenly decided the government is immoral, after defending it thoroughly before. Is it any wonder no one trusts her?