Hunkka-hunkka Hubby and I saw this today.
I highly recommend this movie to anyone who has NOT read the book.
SPOILER:
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Liev Schreiber (while I like him a lot) just does not match the Mr. Clark I have come to know through the books. And while Ben Affleck gave a good performance, I just don't see him as Jack Ryan. Maybe if he does more movies in this role I may come to believe it...
I guess in my mind, Harrison Ford will always be Jack Ryan, and while Willem Dafoe was a credible Mr. Clark in "Clear and Present Danger", in my mind Stephen Baldwin or Josh Brolin seems more in line with the Mr. Clark from the books.