Philippines VP investigated over threat to assassinate president

The Philippines' Vice President Sara Duterte is under investigation — and some are questioning whether she could be impeached. It comes after she publicly threatened to have President Ferdinand Marcos Junior, his wife and the parliamentary speaker assassinated — if she herself is killed. The bizarre threat has exposed a deepening rift between the Philippines' two most powerful families. Guest: Dr Tom Smith, University of Portsmouth in the UK Producer: Anne Barker