why are not sticking the "like" on any blog?

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  vdg2 · Member · Feb 5, 2014 at 3:29 pm

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  to some blogs you can, the other one can not
  opens on an empty link:
  https://wordpress.com/public.api/connect/?action=verify&service=wordpress

  thank you

  The blog I need help with is: (visible only to logged in users)