Why Steven Guilbeault has had enough

<p>The Liberal MP and former environment minister announces he's leaving politics -- and says the government's approach to environmental policy is at the heart of his departure.&nbsp;</p><p><br></p><p>The young man who sold the gun used in the killing of two Edmonton police officers is convicted of manslaughter; a criminologist tells us why his case will almost certainly wind up before the Supreme Court.&nbsp;</p><p><br></p><p>Women and girls' rugby is surging -- but the science on what all that violent contact does to their brains is way behind. A player and a researcher tell us about their efforts to close the gender gap.&nbsp;</p><p><br></p><p>Covered Bridge Potato Chips are a classic Canadian success story -- and Susan Ryan was a huge fan, until the company opened a factory in her neighbourhood.&nbsp;</p><p><br></p><p>One of Iowa's best-known mermaids is looking for a new gig after a local aquarium, and its huge saltwater tank, close down.</p><p><br></p><p>An Italian court rule...