Robert Patman: Otago University International Relations Expert on the purpose of Biden's visit to Israel - Early Edition with Ryan Bridge

US President Joe Biden will head to Israel tomorrow, hoping to prevent a regional war. 

Otago University international relations expert Robert Patman told Kate Hawkesby that Biden is taking a calculated risk should the conflict escalate. 

He says the purpose of Biden's visit is to express solidarity with Israel and open up a humanitarian corridor. 

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