sure thing. there is a really really good Rolling Stone interview from summer 1977 when Star Wars was at its earliest stage in development post-release and Lucas makes some really interesting comments. It has even been posted online again!

A very good read!

ROLLING STONE 1977

And no Lucas wont be returning to this, as after ESB, SW ceased to be a serialesque james bond type thing and became a book-like Dune-esque "Saga", especially seeing at the films are, you know, over and done with. Though i suppose the new tv shows will be serial-like since they are a series.