Senate Intelligence Committee Chairman Mark Warner (D-VA) praised former President Donald Trump on Sunday for recognizing the threat posed by TikTok, warning that parents should be "very concerned" about their children using the app. Warner issued the warning during a Fox News Sunday appearance after being asked about the Beijing-owned social media giant, which has become a national security concern over its ties to the Chinese Communist Party . Trump ordered ByteDance, TikTok's China-based parent company, to divest from the platform's U.S. operations or see the app banned nationwide in mid-2020. The Biden administration is trying to reach a security...