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

States and the federal government have tightened rules for proving medical wrongdoing — and that’s helped cut the number of medical malpractice lawsuits by about half in the past 15 years. Source

Jeffery Simmons racked up 163 tackles, seven sacks, 32.5 tackles for a loss and four forced fumbles in three seasons at Mississippi State. Source

The poll by campaign pollster Tony Fabrizio found Biden doing well across a broad swath of the country Source

The full House of Representatives voted Tuesday on a civil contempt resolution to enforce the congressional subpoenas of Attorney General William Barr and former White House counsel Don McGahn. CBS News’ Nikole Killion and CBSN political contributor and AP White House reporter Zeke Miller joined “Red and Blue” with more on the significance. Source

Judiciary Committee examines tech platforms’ influence on news content, the media and the spread of misinformation online Source

President Trump’s trip to Iowa comes as his trade war with China is threatening farmers Source

Scott Warren, 36, faced up to 20 years in prison if convicted. He said he was providing two people with water, food and shelter Source

The full House is voting on whether to to pursue court enforcement of their subpoenas Source

The Golden State Warriors’ star forward Kevin Durant injured his Achilles tendon during Game 5 of the NBA Finals against the Toronto Raptors. It was his first game back since missing nine weeks with an injury to his right calf. Source