Mark Carney’s government survives, for now

We'll take a close look at the political manoeuvering behind Prime Minister Mark Carney's first budget as he tries to make sure it passes.After an explosion on the railway line from Poland to Ukraine, a Polish Senator says she believes it's part of a larger effort to sow confusion and terror -- and she's got a suspect in mind.One of Donald Trump's most aggressive supporters is publicly changing course; a political reporter from Georgia tells us what she thinks is behind the political evolution of Marjorie Taylor Greene.A research scientist tells us what it's like to follow the exact routes of individual monarch butterflies as they make their journey south -- thanks to tiny electronic tags. Divers locate a rare, pristine shipwreck from the depths of Lake Ontario. One of them tells us it's the find of a lifetime. In line with the Trump administration's order to remove "political messages and artwork" from roads, Lubbock, Texas is reluctantly remove a crosswalk with giant Buddy Holly glasses on it.As It Happens, the Monday Edition. Radio that tut-tuts: they're unmaking spectacles of themselves.