Sentence:  It occurred to me that you might be interested in some thoughts which I expressed privately in recent years , in the hope of clearing up a certain confusion in the public mind about what foreign policy is all about and what it means , and of developing a certain compassion for those who are carrying such <WSD>responsibilities</WSD> inside Government . 
Meaning of the word marked with <WSD> tags:  the social force that binds you to the courses of action demanded by that force; every opportunity, an obligation; every possession, a duty"- John D.Rockefeller Jr