Rockefeller (D-WV)
Has not been a member of the US Senate for more than a year.
As of the 2014 general election, the WV senators are RAT Joe Manchin and RINO Shelly Moore Capito.
March 23, 2013
http://thehill.com/blogs/floor-action/senate/290001-senate-votes-to-stop-us-from-joining-un-arms-treaty