has been tainted by a run of bad publicity, including a recall of most tesla cars that were built in shanghai. spacex has not responded to cnn's request for comment, so we'll just have to wait and see how the outspoken entrepreneur responds to this space challenge from beijing. ivan watson, cnn, hong kong. i am paula newton. i want to thank you for your company, and i will be right back with more "cnn newsroom" in just a moment. he used to have gum problems. now, he uses therabreath healthy gums oral rinse with clinically-proven ingredients and his gum problems have vanished. (crowd applauding) therabreath, it's a better mouthwash. at walmart, target and other fine stores.