Republican President Donald Trump and Democratic rival Joe Biden will square off on Tuesday in the first of three scheduled debates, an encounter that will showcase a stark clash of styles and the prospect of a contentious and personal grudge match.
A new development in the US presidential race surfaced on Sunday when the New York Times reported that Trump paid just $750 in federal income taxes in 2016 and 2017 - and none in 10 of the previous 15 years. Trump had long sought to keep his personal financial records secret.
With more than a million Americans already casting