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There is no longer any excuse for failing to make this the top priority in U.S.-China relations. Chinese officials have never taken our complaints seriously, for good reason. However, there are a number of actions we should be willing to take to make clear how serious this issue is. Canceling political and military meetings and looking harder at sanctions against PLA-connected companies are just two of the options we should put on the table. Washington should also look to work more closely with allies and partners that have been targeted, and seek a common front with which to confront Beijing. A joint response will speak much louder than unilateral ones.