Republican President Donald Trump and Democratic rival Joe Biden battled fiercely over Trump's leadership on the coronavirus pandemic, the economy and the integrity of November's election in a chaotic first debate on Tuesday marked by personal insults, name calling and Trump's repeated interruptions.<br /><br />Moderator Chris Wallace never established control of the debate. The two White House contenders talked over each other and lobbed insults in a breathtaking political brawl that made it hard for either to make a point.
