i m chris jansing live in atlanta. for a presidential debate like no other, two men burdened by age and animosity trying to win over millions of americans fed up with politicians and politics in general, and joe biden and donald trump in particular. so today, in our special coverage, we ll dive into whether 90 minutes in june can change the next four years for this country. plus, with tens of millions of americans tuning in, could a single death be a game changer? and finally, what is the biggest x-factor isn t a person but a muted microphone? the new rules designed to minimize the chaos that could determine who comes out on top. a lot to get to. we start with the two men. two very different candidates who really don t like or respect each other, clashing in what will be an epic presidential debate. joe biden and donald trump coming face to face for the first time in four years and facing a nation that doesn t like either of them much either. their monumental task, to convi