Joe Biden and Donald Trump have agreed to hold two presidential TV debates in June and September, setting the stage for primetime political duels that could shake up the White House race.CNN will host the first forum on 27 June in the key swing state of Georgia.ABC will host the second one on 10 September. The announcement came after President Biden, a Democrat, laid out his terms for debating his Republican predecessor ahead of November’s election.CNN said there would be no audience at June’s debate in Atlanta, which will be moderated by hosts Jake Tapper and Dana Bash. It is scheduled…