Trump remains defiant over impeachment inquiry; Climate change is devastating our oceans. Source

A New York man who faced $650,000 in medical bills after his insurance denied coverage for emergency back surgery now has answers. Governor Andrew Cuomo saw our report and told officials to look into Frank Esposito’s case which led Oxford United Healthcare to cover his claim. Source

CBS News political correspondent Ed O’Keefe sits down with Pete Buttigieg during the mayor’s four-day bus tour across Iowa. They discuss Buttigieg’s health care policy, electability arguments and his plan for winning votes in Iowa. Source

Law enforcement authorities are concerned the film’s plot may inspire someone to commit a mass shooting Source

A new United Nations report warns the impacts of climate change are increasing and inevitable. CBS News climate and weather contributor Jeff Berardelli joins CBSN to discuss the dire consequences to the Earth’s oceans and icy regions. Source

Calling all environmentalists looking for an adventure — Airbnb wants to send you to Antarctica to learn about protecting our oceans Source

As the lethal dose of pentobarbital began, Robert Sparks said, “I love you all” and then added, “I feel it” Source

Senator Cory Booker released a statement Wednesday saying the Ukraine call summary is “proof that Trump pressured a foreign nation to meddle in our democracy again.” His presidential campaign manager Sabrina Singh joined “Red & Blue” to discuss how the New Jersey Democrat is reacting to President Trump’s Ukraine call controversy, and what’s next for his campaign. Source

Law enforcement authorities are concerned the film’s plot may inspire someone to commit a mass shooting Source

The FBI is warning about possible attacks at theaters showing the upcoming movie “Joker.” Officials are concerned a re-telling of the villain’s story could incite violence. Barry Petersen reports. Source