The Democrat challenging seven-time convicted felon Ted Stevens has taken a lead in the Alaska Senate race. OK, it’s only a three-vote lead among some 250,000 votes counted so far, but if I’m Mark Begich, I’ll take it. (UPDATE: Begich now leads by 814 votes out of some 263,000 counted.)

There are lots more early votes to be counted in the coming days, and no one seems to know exactly where they will come from. However, speculation in this thread at Swing State Project indicates that Democrats have reason to be optimistic about picking up the Senate seat from Alaska. That would bring the Democratic caucus to 58 (counting independent Senator Bernie Sanders of Vermont, who votes with Democrats).

The Minnesota Senate race between Al Franken and Norm Coleman will go to a recount and may not be decided before the middle of December. According to the latest count, Coleman leads by 206 votes out of more than 2.5 million cast. Nate Silver examines Franken’s prospects from several different angles, and concludes:

The more that I examine this data, the more I’m beginning to believe that the number of reclassifiable ballots may be relatively low, but that the proportion of such ballots that are resolved in Franken’s favor may be relatively high. How these two factors will ultimately reconcile themselves, I don’t know.

The runoff Senate election in Georgia between incumbent Saxby Chambliss and Democrat Jim Martin will take place on December 2. There have not been any public polls yet in this race since the general election. A lot of Barack Obama’s field staff have reportedly moved to Georgia to work this race for Martin. The Republican playbook is to link Martin to Democratic leaders in Congress. Will that be enough for Chambliss in this red state?

At Swing State Project, Crisitunity published this overview of likely candidates to replace Joe Biden as U.S. Senator from Delaware. Biden’s son Beau, the attorney general of Delaware, is ineligible because of his current deployment. The most likely options are either Lieutenant Governor Jack Carney, or a seat-warmer who would let Beau Biden run for the seat in 2010, after his deployment has ended.

Speculation about Barack Obama’s replacement continues, with the first Illinois poll on the topic showing Representative Jesse Jackson, Jr. as the most popular choice.

Six U.S. House races are still uncalled: Alaska’s at-large seat, California’s fourth district, California’s 44th district, Ohio’s 15th district, Louisiana’s second district, and Louisiana’s fourth district. The first four are Republican-held seats where the Republican candidate leads. LA-04 and LA-02 will hold runoff elections in December. Probably our best chance to pick up another seat is in OH-15.