Beavers brought to London to help solve a flooding problem: "They make people smile!"

London is now home to some wild beavers, the first to live there in 400 years. The critters were brought in to help solve a flooding problem, but now they are a thriving part of the city. Leigh Kiniry has the story.18m ago (01:57) Videos CBS News 24/7 Footage shows fight for control of FlyDubai plane New details in alleged Cornell gang rape case Extended interview: Netanyahu on alleged pilot stabbing ASU coach on leave after player health incident Middle East oil exports rise, prices high Supreme Court allows Christa Pike's execution GOP candidate says midterm convention harmful Restoring the Basilica of Saint Francis Sen. Thom Tillis: The 60 Minutes Interview Humans are teaching AI how to do their jobs Rare interview with Alito Lahn on Iowa's farmers' concerns Face the Nation: Lahn, McGurk Biden adviser Brett McGurk interview Latest CBS News Battleground Tracker poll Energy Secretary on risks to energy flows FlyDubai suspect likely lone wolf, sources say Full interview: Brett McGurk Kelly: "A lot of energy" among Democrats CBS News 24/7 60 Minutes CBS News Baltimore WJZ News 6:30pm CBS News Bay Area CBS News Bay Area Evening Edition Weekend 6pm CBS News Boston Latest Boston News &...