Check out this KBIA interview [1] with MU Political Science Professor Marvin Overby, in which he says that a candidate like Steve Gaw is best positioned to win Missouri's 9th for the Democrats this year.
According to Overby, Gaw's profile--his rural roots and rural appeal--will put him in a position to draw votes from across the entire district.
Rosenbaum also picks up the story over at the CDT Politics Blog. [2]