Last Thursday, Rudy Giuliani, a Trump campaign lawyer, alleged a widespread voting conspiracy involving Venezuela, Cuba and China. Another lawyer, Sidney Powell, argued that Mr. Trump won in a landslide, the entire election in swing states should be overturned and the legislatures should make sure that the electors are selected for the president. The Republican ...

The result of all this is that policy discourse about the United States, China,and technology has careened from one pathology to another: The cheeryglobalism of a decade ago has given way to today’s diffuse paranoia. Nowthe national security conversation is almost exclusively focused on theimpossible task of severing the ties of technological interdependence,with the only ...