For  Many conservatives have seized on the Boskin report as a club with which to beat all those liberals who have been whining about declining incomes and increasing poverty in America.
Declining incomes are due to liberals whining.
mnli hypothesis: Declining incomes are due to liberals whining. premise: For  Many conservatives have seized on the Boskin report as a club with which to beat all those liberals who have been whining about declining incomes and increasing poverty in America.