Why NATO has to prepare for life without Trump

Another night, another post on Truth Social from Donald Trump criticising NATO. As other leaders try to persuade him to stay in the alliance, plans are being prepared in case the US goes through with its threat to walk away.

At the same time, the UK government is in a muddle on defence spending – with criticism from current and former military chiefs - but no decisions yet on how and when to boost budgets.

Niall and Sky's military analyst Professor Michael Clarke debrief on what a post-Trump NATO might look like.

Have you got a question for Niall? Email the show: why@sky.uk