A U.S. judge on Thursday heard arguments on Montana's first-of-its kind state ban on the use of short-video-sharing app TikTok, considering a legal challenge before it is set to take effect on Jan. 1. U.S. District Judge Donald Molloy, considering a court challenge from TikTok and users, questioned the state attorney general's office at a hearing on the state's ban which was approved by the legislature. He noted that no other state has followed suit to ban TikTok. "Does that seem a little strange to you?" Molloy asked during the hour-long hearing in Missoula, Montana. TikTok, which is owned by...