As the owner of Twitter, Elon Musk cannot afford to pick a fight with Apple, which controls one of the two major mobile app stores outside of China. But he is picking a fight, anyway. “Apple has mostly stopped advertising on Twitter,” Musk tweeted on Monday, Nov. 28. “Do they hate free speech in America? What’s going on here @tim_cook?” He followed that up by quote-tweeting criticism of Apple’s market power and content policies. Advertisement Musk added that Apple is threatening Twitter’s inclusion in the App Store, but would not indicate why. Apple did not immediately respond to a request...