When I checked it last night there was definitely extra drag on the crank with the chain off. I'll take a closer look at it when I get home. I have a feeling a lot of dirt somehow got in there from the beach road and I need to clean it out. It's definitely not as free as it was yesterday before my ride.

I think it just needs to be taken apart and cleaned. The rear wheel still spins perfectly smooth, so I'm thinking that some extra crud got into the cassette and made it into the crank bb.