New Mexico Rep. Ben Ray Lujan (at right), one of many potential Democratic successors to retiring Sen. Tom Udall

As would be the case with any Senate retirement, New Mexico Democrat Tom Udall's announcement on Monday that he would not seek a third term has been greeted with a flood of names of potential successors. That means it's a busy time for our friend the Great Mentioner, who’s been scouring sources high and low. No one’s actually plunged in quite yet, so below we'll tally up all the "maybes" and "nos."

We'll start with the Democrats, who are strongly favored to keep this seat. Note that we regard a candidate as "considering" the race if they or a spokesperson say so on the record; if the information comes from an unnamed source, or if no source is specified, then we regard that candidate as "reportedly considering." Names listed as "mentioned" have appeared in credible media outlets but without information about their potential interest.

And now for the Republicans: