Ben Gurion University researchers have developed a new computer-based personality profiling methodology that can decipher the actual feelings of an individual. When used to analyze speeches of Presidents Obama and Putin it produced some interesting assessments.
http://nocamels.com/2014/08/putin-is-a-romantic-loner-and-obama-mistrustful-according-to-israeli-personality-algorithm/ http://in.bgu.ac.il/en/Pages/news/profile_personalities.aspx