And it could have been a protest vote against Mitt.
—And it could have been a protest vote against Mitt.—
But she didn’t say it was.
That is one of the reasons it is an endorsement. She is saying, that as far as she is concerned, the best of our current choices is Newt. And she knows that will cause a lot of folks to vote for Newt.
That, by definition, is an endorsement.