Jon Stewart is known for his punchlines. But he took a far more serious tone when addressing lawmakers about the need to reauthorize the 9/11 Victim Compensation Fund. Nancy Cordes reports. Source

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

President Trump claims that the U.S. and Mexico have reached a “secret deal” to stop migration from Central America to the U.S. CBS News national correspondent Manuel Bojorquez reports from Ciudad Hidalgo, on the Mexico-Guatemala border, on how Mexican immigration agents are stepping up enforcement. Source

The former vice president and president are both campaigning in the Hawkeye State Tuesday Source

Some members of Congress, including many Republicans, have criticized the Trump administration for bypassing congressional review of the deal Source

“We should just have lunch together, because we’re friends and that’s what we do,” 9-year-old Ryan Kyote said Source

After reaching a tariff deal with the United States, Mexico is expected to send up to 6,000 National Guard members to tighten its Guatemalan border soon. The Trump administration is hoping that if Mexico can stop the flow of Central American migrants at the border with Guatemala, there will be fewer apprehensions along the U.S. border where numbers are surging. Manuel Bojorquez reports. 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

Environmental Working Group says the chemicals could be to blame for over 12,000 cases of cancer in the U.S. each year Source