The surgeon general says male loneliness should be considered a national epidemic. For “Eye on America,” Mark Strassmann takes a look at how one group in Massachusetts is helping men open up and be more vulnerable with each other. Source

Congress is voting on whether to revamp Social Security so that certain former public sector employees who have been shut out from the system will receive full benefits. Kati Weis explores why some seniors don’t receive the full payments and the burden this places on them. Source

President-elect Donald Trump’s pick of Robert F. Kennedy Jr. to lead the Department of Health and Human Services has brought back a debate about fluoride in drinking water that many thought was settled decades ago. Meg Oliver takes a look at how a lack of fluoride can affect dental health. Source

Two astronauts who have been stuck aboard the International Space Station for months will have to wait even longer to come home. Their planned returned was delayed once again on Tuesday, pushing their earliest return trip back to late March. Manuel Bojorquez has more. Source

Ukraine is claiming responsibility for the assassination of a top Russian general in Moscow. Lt. General Igor Kirillov, who oversaw Russia’s chemical weapons unit, was killed when a bomb hidden in a scooter went off as he left a Moscow apartment building. Haley Ott reports. Source

Police in Madison, Wisconsin, said a number of factors may have led a 15-year-old student to open fire in a classroom on Monday, killing two people before taking her own life. Two of the injured were still in critical condition on Tuesday. Charlie De Mar reports. Source

A New York grand jury has indicted Luigi Mangione, the man accused of killing UnitedHealthcare CEO Brian Thompson, with first-degree murder and killing as an act of terrorism. Lilia Luciano has the latest on the case. Source

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

Vice President Kamala Harris on Tuesday gave her first major speech since conceding the 2024 election. In speaking to young leaders in Maryland, Harris focused on the importance of civil engagement and her hope for the future. CBS News political reporter Nidia Cavazos joins to recap the remarks. Source

Ana Orsini, an anchor at CBS affiliate KOLD-TV in Tucson, Arizona, died last week of a brain aneurysm, her colleagues announced on air. Source