Sources: US government official Kurt Campbell confronted Sequoia’s Don Vieira in DC over the VC firm’s ties to China, eventually leading to the three-way split (Wall Street Journal)

Wall Street Journal:
Sources: US government official Kurt Campbell confronted Sequoia’s Don Vieira in DC over the VC firm’s ties to China, eventually leading to the three-way split  —  Scrutiny from Washington aggravated tensions within the venture-capital firm, fueling its decision to break up