The longing we have to communicate cleanly and directly with people is always obstructed by qualifications and often with concern about how our messages will be received.
As many people have chronicled, the decision to fight in Vietnam was a years-long accretion of step-by-step choices, each of which could be rationalized at the time. Invading Iraq was an unforced, unnecessary decision to risk everything on a 'war of choice' whose costs we are still paying.
Governing today means giving acceptable signs of credibility. It is like advertising and it is the same effect that is achieved - commitment to a scenario.

