http://www.slate.com/articles/news_and_politics/politics/2015/10/why_democrats_aren_t_dying_for_joe_biden_to_run_against_hillary.html

If Vice President Joe Biden doesn’t want to make any news yet, the media will just have to make some news for him. Because the media really, really, really wants Biden to transform the Democratic primary into what it’s currently not: a highly clickable three-way donnybrook in which Biden, Hillary Clinton, and Bernie Sanders claw each other to death for public amusement.