Parshas Toldos The Last Laugh of History And these are the generations of Yitzchok the son of Avraham; Avraham begot Yizchok. (Breishis 25:19) This is the segment in the Torah where Yitzchok Avinu is most on display. Yet he is still the most invisible of the three Patriarchs. His words are sparse and sparing, and…