Unanimous .... well no....
“A Senate GOP official says McConnell was elected by acclamation today at a closed-door meeting of the rank and file.”
http://www.foxnews.com/politics/2014/11/13/mcconnell-boehner-in-line-for-top-party-jobs/
Depends on what rank and file means....
I surmise “rank and file” here means ‘GOP Senators’.
So much for transparency.
rank and file means the other senators.