Amazon filed its response Tuesday to an antitrust suit brought against it by Parler, arguing that the social media upstart's refusal to remove violent content from its platform violated its contract, and that Parler had failed to prove any antitrust claims. Parler sued Amazon on Monday after the tech giant booted the platform from its web-hosting service, Amazon Web Services, amid public outcry over Parler's role in enabling far-right insurrectionists to organize and plan last week's attacks on the US Capitol. "This case is not about suppressing speech or stifling viewpoints. It is not about a conspiracy to restrain trade,"...