var addthis_pub="mastersairaReport: GM's Opel Could Build Cars for Other Makers if Acquired by Magna .fullpost{display:inline;} And the plot thickens... Citing sources close to Magna International, German newspaper 'Welt am Sonntag' is reporting that if the Austrian-Canadian auto-parts maker wins the battle against Fiat S.p.A. and acquires a controlling stake in