The rainforest lost 3,769 square miles of its vegetation over the last year Source

The House is investigating whether President Trump lied to former special counsel Robert Mueller Source

A new study reveals an apparent gap in knowledge by primary care providers when it comes to spotting risk factors associated with prediabetes. Dr. Janette Nesheiwat joined CBSN to discuss what it means for patients. Source

Students at Polytechnic University in Hong Kong have barricaded themselves inside after fighting for days to keep police out. Gordon Chang, author of the book “The Coming Collapse of China,” joins CBSN to discuss the latest on the protests. Source

Many patients with prediabetes don’t even know they have it Source

The second week of public hearings in the impeachment inquiry has eight witnesses scheduled to testify. Three of the four witnesses set to testify Tuesday were on the July Ukraine phone call which sparked the inquiry. CBS News chief congressional correspondent Nancy Cordes joined CBSN to discuss the latest. Source

Exec’s longtime deputy will take the helm, vowing that rivals “will have no idea what’s about to hit them” Source

In interviews with a dozen top Democratic leaders, officials and strategists, many expressed concerns about Biden’s standing in Iowa Source

The State Department announced that Pompeo would speak to the media Monday at 2:30 p.m. ET Source

Sources tell the Associated Press two officers responsible for guarding Jeffrey Epstein on the night of his death have rejected a plea deal from prosecutors. Mike Balsamo, a Justice Department and federal law enforcement reporter for the Associated Press, joined CBSN to discuss what his reporting on the plea deal tells us about the case. Source