Kentucky Senators
In order to ensure some continuity in the Senate, Senators are assigned to Classes. For example, Kentucky has no Class I senators, but has a Class II and a Class III. Each Senator will serve a term of six years. Senator Bunnings seat will be up for bids in 2010 and then again in 2016. Senator McConnell will be up for re-election in 2014.
McConnell on Wikipedia, Real Clear Politics