Jaap and Aaltje van Zweden tell Lesley Stahl how they got their son Benjamin to speak. Source

60 Minutes cameraman Mark LaGanga explains what happened as he filmed this week’s story on wildlife photographer Joel Sartore Source

Green says a performance by opera star Denyce Graves motivated him to become a singer. Source

CBS News elections and surveys director discusses the CBS News 2020 Battleground Tracker, featuring new polling from early Democratic contests. Source

60 Minutes cameraman Mark LaGanga explains what happened as he filmed this week’s story on wildlife photographer Joel Sartore Source

Phoenix’s mayor is apologizing in wake of a video that shows a disturbing altercation between the city’s police and a young family. Officers are seen pointing their guns and threatening to shoot a father who was with his young family. Jonathon Vigiliotti reports. Source

Here’s a look at the top stories making headlines on the “CBS Weekend News.” Source

Severe storms are expected Sunday from Texas to the East Coast. On Saturday, several tornadoes cut a path of destruction through Indiana and Oklahoma. Another twister ripped the roof off a high school near Indianapolis. Meteorologist Jeff Berardelli has the latest. Source

The item was among a trove of possessions put up for auction by Ruth’s family Source

A Babe Ruth road jersey dating to 1928-30 has sold at auction for $5.6 million. Hunt Auctions, which handled Saturday’s sale, says the price breaks a record for the most expensive piece of sports memorabilia ever sold. A Ruth jersey from 1920 previously sold for $4.4 million. Source