The International Rescue Committee and Sesame Workshop are teaming up on a major new effort to help young Syrian refugee children, including a new Sesame show in Arabic. Lesley Stahl reports. Source

A CBS News Battleground Tracker poll finds former Vice President Joe Biden and Senator Elizabeth Warren leading in the early states. The poll came out before former New York City Mayor Michael Bloomberg said he was considering joining the 2020 race. CBS News director of election and surveys Anthony Salvanto joins CBS News political correspondent Ed O’Keefe to discuss the latest polls. Source

Sesame Workshop and International Rescue Committee are collaborating to teach children how to handle tough emotions. The new Sesame edition is being made with refugee kids in mind Source

Some scientists fear deep sea mining will wreck the seafloor, a world not fully understood. Oceanographer Craig Smith is urging caution Source

Venice, Italy, remains under water after a new high tide hit the city. Washington Post reporter Kim Bellware joins CBSN to discuss the damage and what the flooding means for the historic Italian city. Source

“60 Minutes” correspondent Lesley Stahl learns how to belly breathe from a new Muppet, Basma. Source

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

The House impeachment inquiry, which burst into public view last week, is about to pick up speed. Eight witnesses, including Trump mega-donor and EU Ambassador Gordon Sondland, are expected to testify in the coming days. Katherine Johnson reports. Source

Former New York City Mayor Michael, who is considering joining the 2020 race as a Democrat, apologized Sunday for his prior enforcement of the controversial policy known as “stop-and-frisk.” Julia Manchester from The Hill joins CBSN to discuss this and more political news from the week. Source

In the heart of France’s Wine Country, there’s a chateau like no other. It’s home to the world’s largest collection of fighter jets and attracts thousands of visitors a year. CBS News’ Ian Lee took a tour. Source