Flight tracking website FlightAware showed Delta Air Lines Flight 89 to Shanghai, China, left LAX and circled back over Southern California before returning to the airport. Source

Microsoft released its patch on Tuesday. Source

The giant tortoise, who is more than 100 years old, helped boost the species’ population from 15 to over 2,000​. Source

Apps fed advertisers data that included info about “personalities, predispositions and secret desires,” study found. Source

The civil protection agency in the Catalonia region called the blast a “chemical accident” and warned people in parts of the city of 800,000 and in nearby towns to refrain from going outside as a precaution. Source

The Grammy-nominated singer is the youngest person to write and record a James Bond theme song. Source

The tennis player was forced to forfeit the match after suffering a coughing fit that stopped play. Source

House Speaker Nancy Pelosi is expected to hold a vote Wednesday to deliver the articles of impeachment to the Senate, and to name the House managers who who will argue the case on behalf of Democrats. CBS News White House correspondent Ben Tracy and CBSN political contributor Molly Hooper joined CBSN to discuss the latest. Source

President Trump will holding a rally in Milwaukee Tuesday night as Democrats take the debate stage in Iowa. Mary Spicuzza is a reporter for the Milwaukee Journal Sentinel and joins CBSN to discuss what matters to the voters in Milwaukee. Source

U.S. firefighters who’ve teamed up with Australians to fight bushfires describe challenges of environment, being away from family. Source