Vice President Kamala Harris and her running mate, Minnesota Gov. Tim Walz, campaigned in the battleground border state of Arizona Friday, as both Harris and her opponent, former President Donald Trump, released new ads this week talking tough on immigration. Nancy Cordes reports. A group of weight loss and diabetes treatment drugs, known as GLP-1 agonists, work by curbing appetite centers in the brain. But animal studies suggest these drugs could also potentially reduce addiction to nicotine, alcohol, and opioids. Dr. Jon LaPook explains. U.S. and Israeli military officials are maintaining close coordination ahead of threatened attacks by Iran and its proxies in revenge for the recent killings of Hamas and Hezbollah leaders. Ramy Inocencio has details. A passenger jet carrying more than 60 people crashed into a residential area of Sao Paulo, Brazil, Friday. The airline VOEPASS said there were no survivors. Kris Van Cleave has the latest.