I had missed that Peter Woit had favourably reviewed Roger Penrose's new book a few weeks ago. Go have a read.
(It's interesting, the discussion about Penrose's issues with inflation. I always had the feeling that this seemed to be a solution that was widely accepted before the mechanics of how it could happen were even guessed at, which seems to be a somewhat backwards way to work compared to most of physics. Well, at least for a phenomena that isn't actually being observed but is being inferred. Was my hunch right?)
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