Text: It would have required a minimum of effort, and would been useful to readers, for Kutler to have pointed out that [first name unknown] Pomerantz was probably Martin Peretz, now editor in chief of the New Republic --and at the time a left-wing Harvard professor and generous McGovern donor.
Entailment: Kutler did not point out that Pomerantz was probably Martin Peretz.
Contradiction: It would have required a lot for Kutler to point out what he knew about Pomerantz.