The Pacific Northwest Grain Handlers (PNGH), an association of export grain terminals, said Thursday they have extended a deadline for acceptance of its contract offer to the International Longshore and Warehouse Union (ILWU) until Dec. 8. The companies had asked for a union decision of what they said was their "last, best and final offer" by Wednesday. Earlier this month, the ILWU had complained the offer "demands deep concessions." But the PNGH said unio...