She shouldn't be, Secretary of State is a role, not a rank and there can only be one at a time. She can still be called Senator or the Honorable Hillary Clinton but formally she shouldn't be introduced as Secretary Clinton. http://www. read more
And if I was Hillary, I might prefer the title of Senator Clinton instead of Madam Secretary (in which there are literally hundreds of Secretaries, Assistant Secretaries, Deputy Secretaries and Undersecretaries which all females who held any of those physicians would have been called Madame Secretary). read more
My logic is that Hillary is no longer First Lady of the US and no longer senator of NY so she is not called "FLOTUS" nor "senator"; however, she is still called Secretary Clinton when currently John Kerry is the Secretary of State. read more
Clinton took the oath of office of Secretary of State that same day. Just before being sworn in as Secretary of State, Clinton resigned her Senate seat effective just hours before her oath as Secretary of State. She became the first former First Lady to serve in the United States Cabinet. read more