<prompt> Translate the following text to EnglishHii ni hoja kwamba tu lazima kupata wanunuzi wapya kwa ajili ya dhamana za serikali ni kando ya uhakika katika muda mfupi na haifai katika muda mrefu, wakati Social Security itasimama kukimbia ziada.  <response>: So, the argument that we would simply have to find new buyers for government bonds is beside the point in the short run--and irrelevant in the long run, when Social Security will stop running surpluses. 