"...Analysis of our foreign policy for the past 50 years should not be on our agenda. The only thing to focus on right now should be the survival of freedom and our way of life...."Your second sentence is impossible without doing precisely what you abjure in the first sentence. Aristotle would never have cravenly turned away from the human duty to analyse the roots of the problems. We owe it to our capacity to reason, don't we? Isn't that an important part of our freedom and our way of life?"
Point well taken. In a time of peace and non-crisis, your proposal would be the correct path. At times of war, I believe, all energy must be focused on a solution to the national crisis. Of course, one might argue that it is necessary to understand the root of a problem in order to take appropriate action. Sometimes though, action taken with partial ignorance of the root cause, may be more direct and decisive. Eg When the Persians decided to invade Europe in ancient times, the Greeks did not stop to think, "what have we done to these people? Are we blocking their meditterranean trade? Are we intrusive to their culture on the East shores, with all those Greek libraries and local governments?"
No, such questions were never asked, there was no time to ask, or negotiate. The Greeks simply destroyed the Persian fleet and then we made nice nice forever more ;-*)
After that, philosophers and peoples of thought, analyzed, learned, advised, discussed, made historical judgement.