<prompt> Translate the following text to EnglishIkiwa uaminifu ulikuwa bidhaa dhaifu sana, hatungehitaji kujikusanya kwa Reagan baada ya Warusi kupofuka wakati wa Mgogoro wa Makombora ya Cuba, au mnamo 1973 walipotoa kelele juu ya kusaidia Waarabu katika vita vya Yom Kippur na kisha wakarudi nyuma.  <response>: If credibility were such a fragile commodity, we wouldnt have needed the Reagan buildup after the Russians blinked during the Cuban Missile Crisis, or in 1973 when they made noises about helping the Arabs in the Yom Kippur war and then backed down. 