You know, it could be that he just didn't like Mr. Becker for the job. It seems there were others, including Democrats, who weren't enchanted with the idea, either.
It isn't all about politics. It's about listening to those who might be most affected by the choice and seeing what they have to say. Sometimes, it's best stick with those who brought you to the dance, and other times, it's only right to vote your conscience. I know that's what I'd do.