“It’s not capital that’s in short supply,” deputy national security adviser Mike Pyle told me. “It’s capital plus the access to experts and additional assistance.” Translation: this isn’t about curbing passive investment into China via, say, public securities or exchange traded funds, so much as it is about preventing top US venture capitalists and private equity funds from transferring important western-made intangible assets — patents, data, software and other kinds of IP — along with their investments. Strategic investments from the US to China have already been curtailed significantly in the last couple of years. US dollar funding for China-focused...