11/07/2015 20:07 - July 11 (Bloomberg) -- Bloomberg View columnist Barry Ritholtz interviews David Kotok, chairman and chief investment officer at Cumberland Advisors Inc., he is also a member of the National Business Economics Issues Council (NBEIC), the National Association for Business Economics (NABE) and served on the Research Advisory Board of BCA Research. They discuss long term bond maturity and interest rates. This interview aired on Bloomberg Radio. ...