Tim Culpan, Columnist

Trump’s WeChat Ban Is Just a MAGA Wall in Cyberspace

The latest barrier is unnecessary, porous and costly.

The wrong target.

Photographer: Drew Angerer/Getty Images

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Having failed to complete a huge wall along the U.S. southern border, President Donald Trump’s administration now seems desperate to build one in cyberspace for similar spurious reasons.

Whereas the bogeyman four years ago was a supposed influx of drugs and criminals from Mexico, the U.S. announced early Friday that Tencent Holdings Ltd.’s instant-messaging app WeChat will essentially be shut down in America from Sept. 20 because of some vague notion that it poses an immediate threat.