https://apnews.com/742cde74a76c46e9b2482215c8c7da7a > NEW YORK (AP) — Twitter's decision to permanently ban conspiracy-slinger Alex Jones shows it's serious about enforcing its policy against abuse. But it has a long way to go. > Along with Facebook and other tech companies, Twitter sees promise in using artificial intelligence to rid its service of objectionable posts, photos and videos.