TODAY 8a: American nun kidnapped in Burkina Faso. TikTok siblings spread autism awareness. Karlie Kloss on “Kode With Klossy.”

<p>An American nun is missing in Burkina Faso after being kidnapped earlier this week by unknown gunmen. Plus, meet Ryan and Brittany McGuire -- the brother and sister duo spreading autism awareness on TikTok. And, Hoda Kotb chats with Karlie Kloss about “Kode With Klossy” and motherhood. </p>