No. 12 Penn State heads to College Park, Maryland for a big Big Ten East showdown against the Terrapins on Friday Source

Federal officials announced charges against 35 people in connection with a massive Medicare scam. It comes two weeks after a CBS News investigation revealed how recruiters have been enticing seniors to get “free” genetic cancer risk tests. Jim Axelrod has the latest. Source

Here’s some background on how calls between the president and world leaders transpire and on the secret computer system where Trump’s call with the Ukrainian president was reportedly stored Source

Micah Roberts pioneered wagering on NASCAR races and just locked in his 2019 Bank of America Roval 400 picks. Source

The NBA is officially back, and there were plenty of interesting quotes flying around as several teams held Media Day Source

Workers like Kristi Hunnicut, who works for a GM parts supplier, are left without a job while the strike continues Source

Here’s a look at the top stories making headlines on the “CBS Evening News with Norah O’Donnell.” Source

CBS News is following the whistleblower complaint all the way to Ukraine. The president’s lawyer, Rudy Giuliani, has stated publicly that he’s pushed Ukrainian officials to investigate Joe Biden. Roxana Saberi reports from Kiev. Source

The former Dallas officer accused of shooting and killing her neighbor, testified in her own defense. Amber Guyger started crying as she spoke about approaching her neighbor’s door. Omar Villafranca reports. Source

More than 300 former officials said in a joint statement the Ukraine scandal is a “profound national security concern.” Weijia Jiang reports on the Trump administration’s new explanations for how President Trump’s controversial phone call with Ukraine’s leader was handled. Source