Your World Tonight CBC News & Politics

Defence minister Bill Blair says he approved the decision to send a Canadian naval vessel into the port of Havana to sit alongside Russian warships. But the visit is raising many questions. And: Desperate for a digital detox, some people are switching away from smartphones, creating a micro-trend in the market for old flip-phone technology. Plus: Earthquake researchers - including Canadians – used new technology to create images of the Cascadia fault line. It runs under the ocean from California to Vancouver Island. They found the northern section is most likely to cause “The Big One” sometime in the next 100 years.

Nearly one hundred countries attended the Ukraine peace summit in Switzerland this weekend - committing more financial and military aid. But some world leaders say nothing can be achieved until Russia comes to the negotiating table. And: CBC News is in Kharkiv, Ukraine - inside an underground school, where children try to learn and play as war rages around them. Plus: The Edmonton Oilers have held on to a shot for the Stanley Cup - and fans are holding onto hope the team can come out on top.

On the Saturday edition of Your World Tonight we had a conversation with Aaron Wherry. We asked him to get to the bottom of why the Prime Minister of Canada has done interviews with so many American podcasts. Because we have a limited time slot we couldn't share that full interview with you in our broadcast edition. But we really liked what Aaron had to say, and thought you would too. So here is the full conversation.

Prime Minister Justin Trudeau and other world leaders are in Switzerland, taking part in a peace summit for Ukraine. Also: Calgary has declared a local state of emergency - as residents deal with a water main break that officials say will take weeks to repair. Plus: A Black Canadian singing legend get's her due - a new Opera is putting Portia White's name back in the spotlight, more than 55 years after her death.

An interaction on the margins of the G7 marks the first time the leaders of Canada and India met - since one government accused the other of involvement in murder. And: The Princess of Wales says her cancer treatments aren’t over yet, but she is making progress. In a letter, she confirmed she will attend her first public engagement in months on Saturday. Plus: Support for President Volodymyr Zelenskyy is dropping as the war in Ukraine rages on. There’s frustration and exhaustion on the homefront, and on the front lines.

Ukraine dominates the first day of the G7 meeting in Italy. Canada is contributing $billion for the war effort - funded by frozen Russian assets. Still, Ukraine has another challenge - finding enough soldiers to fight the war. And: The U.S. Supreme Court unanimously rejects a lawsuit challenging the use of the abortion pill mifepristone, two years after the court overturned Roe v. Wade. Plus: Chief Correspondent Adrienne Arsenault sits down with Céline Dion to talk about what pulled her from the stage four years ago and her goal to sing again.