Colorado Democratic Sen. Michael Bennet Potential candidates are constantly getting "mentioned" for higher office, but who's doing all that work? Why, the Great Mentioner of course. In this new ongoing series, Daily Kos channels the Great Mentioner and catalogs all the notable candidates who might run in 2016's most important races. To start things off, we visit the Rocky Mountain State, one of the few where a potentially vulnerable Democratic senator is up for re-election next year.