Following former Governor John Sununu's endorsement of Mitt Romney, the Huntsman campaign released a public letter to Sununu. The letter begins with:
"Over the course of this campaign you have made it abundantly clear that you would endorse a conservative governor – a laudable criterion.
However, I am surprised that you believe Mitt Romney meets that threshold."
It then goes on to list Romney's what the campaign would call failings on taxes, healthcare and abortion It says it is impossible to conclude that Romney is a principled conservative.
It ends with: