While there is no doubt the GOP will make big gains on election night, the plausible range of pickups is incredibly wide. Depending on if the national mood breaks one way or another, dozens of seats could be won or lost by very narrow margins.

With that in mind, here are 98 hotly contested races that Firedoglake will be watching closely over the next 10 days. . . and in the case of a few of them, maybe even longer than that.