In reality, Chomsky's comparison was with coverage of the murder of Popieluszko with the murders of one hundred Latin American clerics. Tables of data in Herman and Chomsky's book Manufacturing Consent reveal dozens of different skewed ratios, each showing that the US press seemed to regard the murder of a Latin American cleric as less than one percent as important than the murder of a Polish cleric. According to Chomsky, this paired-example is evidence supporting his claim that the US press functions as a poweful government-supporting propaganda machine.
Lehrer also omits all the ratios