Double Dribble Is  Mark Shields repeats the same Mary McGrory quotation on both Capital Gang and NewsHour , even mentioning McGrory's Pulitzer both times.
Mark Shields mentioned McGregory's Pulitzer twice.
Because we are ignorant of other biological systems, we have no context for understanding Earth life, for knowing to what extent the life we see around us is, on the cosmic scale, relatively ordinary or totally freakish.