AT&T Inc won court approval on Tuesday to buy Time Warner Inc for $85 billion, rebuffing an attempt by U.S. President Donald Trump's administration to block the deal and likely setting off a wave of corporate mergers. The deal, which could close next week, is seen as a turning point for a media industry that has been upended by companies like Netflix Inc and Alphabet Inc's Google which produce content and sell it online directly to consumers, without requiring a pricey cable subscription.