Attkisson resigned from CBS News on March 10 , 2014 , after 21 years with the network . She later authored the book '' Stonewalled '' , in which she alleged that CBS News failed to give sufficient coverage of Obama controversies , such as the 2012 Benghazi attack '' . '' Attkisson has received criticism for publishing stories suggesting a possible link between vaccines and autism , a theory that has been rejected by the scientific community
2012 Benghazi attack
2012 Benghazi attack
Sharyl Attkisson