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.
We will have to find new buyers for government bonds when Social Security stops running surpluses.
mnli hypothesis: We will have to find new buyers for government bonds when Social Security stops running surpluses. premise: 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.