Steve Sansweet announced on ForceCast that McCallum has actually already retired from LucasFilm. That bit of info got lost in the days other news that Disney announced their purchase of Lucasfilm and announced Star Wars: Episode VII for release in 2015.
With Lucas and McCallum no longer steering the ship, this means that Kathleen Kennedy is probably inheriting all their Star Wars duties. This includes everything from the anticipated new trilogy of films to the "Clone Wars" TV series (expected to move from Cartoon Network to a Disney channel after this fifth season concludes) and the long gestating live-action TV series that has been hyped for years. Plus, Disney likely has a lot of Star Wars plans in store to keep the saga live in more arenas other than the big screen, so Kennedy is going to be quite busy.
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