I know, Harry Crawford isn't running for the U.S. Senate. He's up against Rep. Don Young. But I doubt when Nate gets around to looking at AK-AL, he'll give Harry much chance, unless the FBI comes knock-knock-knocking at Don's door. And if that happens soon, Harry will have company in the August Alaska Democratic Party primary.
Silver gives the optimum number of seats the Democrats will retain the day after the 2010 election as 53 or 54, counting Joe Lieberman and Bernie Sanders. That's a loss of five. Silver was right about last week's Massachusetts special election - as close as anyone in the country.
Here's a graphic from the article linked to above: