Julian Zelizer : Criticism of Obama foreign policy has been on the increase . Hillary Clinton 's book mentions her disagreement with Obama on Syrian rebels . He says debate over prisoner swap for Sgt . Bowe Bergdahl in exchange for five Taliban prisoners has flared into an extraordinarily heated debate . Bowe Bergdahl adds to the controversy . Comment:
Julian Zelizer : Criticism of Obama foreign policy has been on the increase . Hillary Clinton 's book mentions her disagreement with Obama on Syrian rebels . He says debate over prisoner swap for Sgt . Bowe Bergdahl adds to the controversy . Comment: