Critics: Diaper bill reeks of politics Perata's plan would benefit company that donated to his campaign, taxpayer advocates say By Steve GeissingerSACRAMENTO BUREAU SACRAMENTO -- A coalition of taxpayer groups said Tuesday that an East Bay senator's much-touted diaper-tax bill stinks politically because it would benefit a single disposable diaper recycling firm that has contributed to the lawmaker's campaign coffers. Though Sen. Don Perata, D-Oakland, is delaying and recasting the measure to shift the proposed tax from consumers to diaper makers, the coalition said it believes buyers would still ultimately pay the cost of creating an unproven recycling program. "This...