WASHINGTON, Dec 12 (Reuters) - Texas Attor­ney Gen­er­al Ken Pax­ton said on Thursday his office launched investigations into over a dozen technology platforms over their privacy and safety practices for minors. Those being probed included artificial Intelligence chatbot startup Character.AI and fourteen other platforms like Reddit, Instagram (META.O) and Discord, the Texas attorney general added. Tech platforms have come under increasing scrutiny over their impact on children. Top U.S. social...