President Joe Biden has announced his intention to run for a second term in the White House. Already the oldest president in US history, he would be 86 after finishing a second full term. Donald Trump has already relaunched his bid for presidency. So, is America up for another round of Trump versus Biden? On the Sky News Daily, Niall Paterson takes a look at Biden's first term with our US correspondent Mark Stone, and asks how important his age really is. Plus, we hear from two strategists from opposite sides of the American political divide: Sidney Blumenthal, a former senior adviser to President Bill Clinton; and former Nevada State GOP Chairman, Amy Tarkanian. Alex Edden - podcast producerAnnie Joyce - senior podcast producerPhilly Beaumont - editor