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Business + Coffee: 3D printed guns, ‘Guardians of the Galaxy’ cast defends James Gunn, GE selling digital assets

Tuesday, July 31: Lawmakers sue to stop 3D printable gun plans from being posted online, Trump says he’s looking into it; ‘Guardians of the Galaxy’ cast posts a public letter supporting fired director James Gunn; GE is slimming down even further. Yahoo Finance's Dan Roberts serves the news.