This post was originally published on this site
https://i.guim.co.uk/img/media/b3d5cf76423ab46a8e9af9f2d4b711f3adaed8e4/0_86_2590_1554/master/2590.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom,left&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctbGl2ZS5wbmc&s=53a48036d2e6b09080394576f2c3a964
Vice-president and former president to meet on debate stage in Philadelphia on Tuesday