President Donald Trump in his primetime speech on Thursday is alleging vulnerabilities exist in American election systems, using a large trove of newly declassified documents as evidence to suggest future elections could be at risk of foreign interference, particularly by China.

Several major networks opted not to carry the speech, amid concerns he could make misleading claims about the U.S. elections system.

President Donald Trump alleged that vulnerabilities exist in American election systems. However, declassified documents his administration released largely discuss vulnerabilities…