On 15 May 2019, US President Trump declared a national emergency over the dangers of importing technology from adversary countries, a move universally understood to be targeted at the Chinese corporation Huawei Technologies. The “ban” on Huawei is being enacted by the US Department of Commerce, charged by the White House with deciding on the mechanisms of blocking Huawei’s connections to the US. The ban hurts Huawei in two ways: by closing the US market to Huawei equipm