After a ‘demented vs deranged’ presidential debate, we size up the possible replacements for Joe Biden with foreign editor Greg Sheridan.  Find out more about The Front podcast here. You can read about this story and more on The Australian's website or on The Australian’s app. This episode of The Front is presented and produced by Claire Harvey and edited by Lia Tsamoglou. Our regular producer is Kristen Amiet and original music is composed by Jasper Leak.See omnystudio.com/listener for privacy information.