The FDA recently warned about a potentially dangerous impurity in the popular heartburn drug Zantac. The nation’s three largest pharmacy chains reacted by pulling it from store shelves. Dr. Jon LaPook reports. Source

Elizabeth Warren hasn’t always described this pivotal moment in her career in the same way, a point that has prompted some media outlets to question whether she was in fact fired. In her telling, Warren was “shown the door” by the school principal in 1971. If that hadn’t happened, Warren has said she might well still be a public school teacher. The 2020 Democratic presidential candidate spoke exclusively with CBS News campaign reporter Zak Hudak about that story and why it has evolved. Source

President George Bush and Ellen DeGeneres were seen at the Dallas Cowboys game against the Green Bay Packers, causing backlash from fans. Ellen defended the friendship by preaching the value of civility. Norah O’Donnell reports. Source

The U.S. women’s team won their fifth straight world gymnastics championship. Simone Biles led the way, winning a record 21st medal. Michelle Miller reports. Source

The Trump administration’s immigration crackdown on the southern border has been expanded. It now requires all asylum seekers to remain in Mexico to await their day in U.S. immigration court. Mireya Villarreal reports. Source

The report reinforces the intelligence community’s previous conclusions that Russia tried to harm Hillary Clinton’s presidential candidacy while boosting Donald Trump’s Source

On Tuesday, the impeachment battle escalated when Republican Senator Lindsey Graham invited the president’s lawyer, Rudy Giuliani, to testify about allegations of corruption involving the Bidens. The administration blocked Gordon Sondland, the U.S. ambassador to the European Union, from appearing before a House panel. Nancy Cordes reports. Source

The streets of Nuevo Laredo, Mexico, are often called “los caminos de carteles” where highly coveted smuggling routes are now a dumping ground for migrants Source

CBS News investigation reveals that there might not be just an “impurity” — but something much more serious Source

Bankrupt toy seller’s new portal offers product reviews and lets consumers make purchases through discount giant Source