Uber’s 5th birthday party was pure theater, and here’s our review Travis Kalanick was choking up. On stage at Uber’s birthday party, looking out on a audience that included drivers, employees, the press, and his parents, Uber’s pugnacious CEO found himself overcome with emotion. "I realize I can come across as a somewhat fierce advocate for Uber," Kalanick would go on to say, as the crowd chuckled...