A look back at what we’ve been covering on “CBS This Morning.” Source

The pants, which sold for more than $162,000 at Julien’s Auctions in California, will go on display at the Spanx headquarters Source

Only on “CBS This Morning,” we are revealing the anonymous buyer behind Olivia Newton-John’s famed black satin pants from “Grease.” Spanx founder Sara Blakely bought the pants for more than $162,000, and also bought a custom “Pink Ladies” jacket presented to Newton-John by the movie’s cast and crew. Blakely joins “CBS This Morning” to share the story behind her purchase. Source

The Department of Homeland Security is working with thousands of local election jurisdictions and all 50 states to help shore up defenses and provide information about threats Source

Americans vote Tuesday in state and local elections around the country, less than one year before the 2020 presidential election. There are still concerns about foreign interference in next year’s campaign like we saw in 2016. The government’s top election security official says the threat has not gone away. “CBS This Morning” co-host Tony Dokoupil spoke with Chris Krebs, director of DHS’ Cybersecurity and Infrastructure Security Agency, to see what it’s doing to protect your vote. Source

A transit worker is being called a hero for saving a stranger from an oncoming train in Oakland, California. John O’Connor pulled him up with less than a second to spare. David Begnaud reports. Source

Indians flocked to the holy waters of the Yamuna River in Delhi as they do every year, but they could barely see the water for the pollution Source

India is dealing with the worst pollution crisis in its capital in three years. Elizabeth Palmer reports on how the bad air is affecting 29 million people in New Delhi. Source

A group of at least nine Americans were killed in an apparent ambush attack Monday in Mexico. Family members of the victims tell CBS News the FBI is part of the investigation into the attack that they believe is linked to a drug cartel. Jericka Duncan reports. Source

During his decades-long tenure in Congress, John Conyers was champion of liberal causes and an outspoken critic of military entanglements abroad Source