http://www.cnn.com/2015/06/15/politics/45-times-secretary-clinton-pushed-the-trade-bill-she-now-opposes/index.html
The Liz Warren effect? 
You could call it the Rumsfeld Effect since he advocated for a war which it turns out he didn't personally believe in
Rumy like Hillary were both senior officers (cabinet members) of the Executive Branch and they carry the water of the POTUS
“I’m not one who thinks that our particular template of democracy is appropriate for other countries at every moment of their histories,” former Defense Secretary Donald Rumsfeld told The Times.
“The idea that we could fashion a democracy in Iraq seemed to me unrealistic. I was concerned about it when I first heard those words.”
