Sky News and NBC News have joined forces for a new podcast - The World With Richard Engel and Yalda Hakim.      In today's episode, Richard and Yalda examine the killing of Hamas leader Yahya Sinwar and investigate the potential of reprisals against Western leaders.    They also assess recent reports that Kim Jong Un's troops could be used in the war against Ukraine and ask how much we have to fear from the "axis of evil" - North Korea, Russia, China and Iran.    Click here to watch the full episode on YouTube.   To get in touch or to share questions for Engel and Hakim, email [email protected].  Episodes of The World With Richard Engel and Yalda Hakim will be available every Wednesday on all podcast platforms.