Boeing announced Monday a deal to purchase Spirit AeroSystems for $4.7 billion, as the plane manufacturer looks to address and resolve recent safety concerns. The company will pay$37.25 per share for Spirit AeroSystems, Boeing said in a news release."We believe this deal is in the best interest of the flying public, our airline customers, the employees of Spirit and Boeing, our shareholders and the country more broadly," Boeing President and CEO Dave Calhoun said in a statement. "By reintegrating Spirit, w ...