The union representing 33,000 striking machinists at Boeing rejected the company's latest contract offer Wednesday evening, extending a strike that has strained aircraft production. The International Association of Machinists and Aerospace Workers (IAM) has been on strike since Sept. 13 as they try to extract more concessions from Boeing in their next labor contract. Earlier this month, the IAM said Boeing offered a 35% wage hike over four years, a new incentive plan and a $7,000 ratification bonus, as well ...