Alex Wagner, a CBS News special correspondent and co-host of the political docuseries “The Circus,” joined CBSN as the presidential primary season heats up. Season four of “The Circus” resumes Sunday on Showtime. Source

President Trump slammed reports about a whistleblower complaint against him regarding discussions he had with Ukraine’s leadership. He told reporters it “didn’t matter” what he discussed in the private call. Source

President Trump said Friday that his administration has moved to sanction the Iranian national bank. Treasury Secretary Steve Mnuchin called this action the “highest” level of sanctions possible. Watch their remarks. Source

CBS News has confirmed that Pentagon officials will give President Trump military options on Friday, for any possible retaliation against Iran for its alleged role in the strike on Saudi oil facilities. While the United States said it’s looking at all options short of going to war, the country is building an international coalition against Iran. But while Iran still denies responsibility, Iranian officials will likely face some tough questions next week at the UN General Assembly. Ian Lee reports. Source

The missing piece of continental crust seemingly separated from North Africa and lodged itself under Southern Europe Source

The storm will move across the eastern Caribbean Sea Monday evening and pass near or over Puerto Rico and the Virgin Islands by Tuesday morning Source

Tributes poured in for Andre Emmett, a former NBA player who was killed Monday morning in Dallas. Police said he was running away from his attackers when he was gunned down. Source

Charges against two 6-year-olds in Florida were dropped. The children were arrested in separate incidents at a charter school in Orlando. Manuel Bojorquez reports. Source

Bernie Sanders is unveiling a new plan his campaign says will eliminate nearly $81 billion in medical debt. CBS News 2020 campaign reporter Cara Korte joins CBSN to discuss the senator’s plan and his recent town hall events focused on medical debt. Source

Elite college admissions offices often admit wealthy students who can pay full tuition over just as qualified students who would need financial aid. New York Times Magazine contributing writer Paul Tough revealed this trend in his article “What College Admissions Offices Really Want.” He joined CBSN to discuss his findings. Source