U.S. President Donald Trump on Tuesday signed an executive order extending until Dec. 16 the deadline for TikTok's American operations to be separated from its Chinese owner's control, with failure to do so to result in a ban on national security grounds.Trump's granting of another lifeline for TikTok came as his administration and Beijing appear to be in the final phase of agreeing to transfer the popular video-sharing app's U.S. assets from its Chinese owner ByteDance Ltd. to American owners.The previous extension, the third, was set to expire Wednesday. Following two days of talks in Mad…READ FULL ARTICLE