Joe Biden is heading head-first into an active warzone. The 80-year-old is travelling to Israel tomorrow to begin brokering the toughest negotiation of his presidency - in an attempt to restore relative calm and peace in the Middle East. It's a dangerous, herculean task that has the potential for domestic and foreign backlash. It will require every ounce of his weighty diplomatic might.
We speak to General David Petraeus, formerly the head of the CIA - and military historian Andrew Roberts. They've just co-authored a book about modern warfare called Conflict: The Evolution of Warfare from 1945 to Ukraine. It may well need a new chapter soon.
Editor: Gabriel Radus
Social Media Editor: Georgia Foxwell
Video Producer: Rory Symon
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