There’s a nice little caselaw blog over at enotes.com called Decision of the Day. It offers you three or four hundred words on a recent decision, which might be a painless way to surf atop the froth of U.S. law in general. The entries are pretty-much summaries — think of them as readable headnotes. And some garner commentaries that are interesting to pursue.
enotes is a sort of upscale and free “Coles Notes” for a bunch of topics, law being one of them.