What does the Kabul attack mean for Biden?

<div>After the attack on Kabul's airport by Isis, President Biden addressed the world last night and mourned for the 13 US marines who were killed. But with this grim event already being politicised by the Republicans, what will the lasting damage to the president legacy be?<br> <br> Isobel Hardman in conversation with Kate Andrews and Fraser Nelson. </div>