Recently announced deals that would allow sensitive U.S. technology to be exported to Saudi Arabia and the United Arab Emirates threaten U.S. national security because of those countries’ close ties to Beijing and the likelihood that China will gain access to advanced infrastructure built with U.S. tech, Sens. Chuck Schumer (D-NY) and Elizabeth Warren (D-MA) have warned the Trump administration. President Trump announced a series of agreements during his recent trip to the Middle East, involving U.S. company investments in...