Treasury yields are starting to become "unhinged,'' which will be a challenge for incoming Federal Reserve Chair Kevin Warsh, according to Subadra Rajappa, the head of research for Societe Generale Americas. She speaks with Jonathan Ferro and Lisa Abramowicz on Bloomberg Television's "Surveillance.'' -------- More on Bloomberg Television and Markets Like this video? Subscribe and turn on notifications so you don't miss any videos from Bloomberg Markets & Finance: https://tinyurl.com/ysu5b8a9