Elon Musk, the CEO of Tesla Motors and founder of SpaceX, believes Twitter needs to be more like China’s WeChat to be successful. In a video meeting with about 8,000 Twitter employees on Thursday, Musk shared his vision for the social media platform, which he has agreed to buy for US$44 billion. The question and answer session was unusual since the deal, which was announced in April, has not yet closed and the acquisition is wobbly given the drop in the price of the Tesla shares that may finance the purchase. “There’s no WeChat equivalent outside of China,” Musk said,...