The trial opened with arguments from both sides about whether the Senate can try a former president. Source

Representative Jamie Raskin, the Democratic lead impeachment manager, implored senators to vote to convict former President Donald Trump as his impeachment trial began. Raskin recounted his experience at the Capitol on January 6, and said the sound of rioters breaching the Capitol was the “most haunting sound I ever heard, and I will never forget it.” Watch Raskin’s remarks. Source

Meek Mill and Jay Z’s Reform Alliance has appointed criminal justice activist Robert Rooks as its new CEO. Rooks joins CBSN to discuss his vision for the organization. Source

Police say multiple people were shot at the Allina Clinic, about 40 miles northwest of Minneapolis Source

Capitol security is on high alert for any potential threats during the impeachment trial of former President Trump. Officials say they are closely monitoring online activity and local gatherings to prevent a second attack on the U.S. Capitol. Former FBI assistant director Frank Figliuzzi joins CBSN to discuss how law enforcement tracks potential threats and what the FBI needs to do to prevent domestic terrorist attacks. Source

As former President Trump’s impeachment trial gets underway, the NAACP says “the Senate must convict him swiftly.” Derrick Johnson, the president and CEO of the NAACP, joins CBSN to discuss. Source

CVS, Rite Aid, Walgreens and Walmart are among 21 chains and networks getting immunization shots from U.S. this week. Source

“In many ways, this show is an extension of my work to support children’s health as first lady — and to be quite honest, I wish a program like this had been around when my girls were young,” she wrote in an Instagram post. Source

The Senate is holding the trial for former President Donald Trump, the only president to be impeached twice. Source

The helicopter crashed in January last year amid heavy fog. Source