What's for sure? Mark Spitz in his prime? Maybe Michael Phelps this year? And even if Phelps breaks Spitz's record, someday, someone will break his.
Maybe my kishkes have it wrong, but as soon as I heard that Alon Mandel would be in the Olympic pool rather than following the Jewish laws of mourning for his father, those overly optimistic proclamations by the Israeli sports people seemed set up for a jinx.