Biden says he didn't run for president because he 'couldn't win', and dispels rumors that son Beau tried to convince him to run from his death bed
http://www.dailymail.co.uk/news/article-3289447/Joe-Biden-says-refused-run-President-couldn-t-win-reveals-son-Beau-deathbed-DIDN-T-try-convince-make-bid.html