https://media4.s-nbcnews.com/j/newscms/2019_02/2711846/190110-john-hickenlooper-ew-644p_3ea6d5dc212ad15df9755aae1955f277.nbcnews-fp-1200-630.jpg nbcnews.com john hickenlooper: 2020 presidential election candidate 2019-02-27 Affiliation Democratic. ..…