New GOP challenger in Russ Carnahan’s (D, MO-03) seat.

This one is causing some commentary, behind the scenes: former Blunt chief of staff Ed Martin has started an exploratory committee to run in Carnahan’s district, which includes large parts of the St. Louis area. CQ Politics currently rates the seat as “Safe Democrat:” Cook reports the district as being D+7; and Carnahan is from the third generation of a powerful Missouri political family.

Actually, that last factor may suggest why Martin may think that he has a shot: Carnahan is part of a local aristocracy, and frankly? It’s starting to show. Continue reading New GOP challenger in Russ Carnahan’s (D, MO-03) seat.