The articles talks about the altitude of the two vice presidents during the vice president debate  It describes Mr. Joe Biden as someone who doesn't show good respect toward his opponent - his determination to win the debate has been shown by his unrelenting aggressiveness, onslaught, disrespecting, repeatedly interrupt --> more negative  On the other hand, the article describes Mr. Ryan as a person who fight valiantly with a good closing statement --> more positive  Even though the headline seems to favor Mr.Biden --> it actually emphasizes the bad temper of Me. Biden  --> bias toward Republican