Trump seeks to block China Mobile's US entry citing security concerns

An attendee uses a mobile device as he passes a large digital display screen showing a picture of a section of the Great Wall of China on the second day of Mobile World Congress (MWC) in Barcelona, Spain, on Tuesday, Feb. 28, 2017. A theme this year at the industry's annual get-together, which runs through March 2, is the Internet of Things. Photographer: Pau Barrena/Bloomberg Photo by Bloomberg