One man is being called a hero after he stopped the California shooter at a dance studio in Alhambra on Saturday. The IRS is starting the tax season off today with a backlog. The 2024 Senate race in Arizona for Senator Kyrsten Sinema's seat is already underway. Another tech company announced layoffs today as US recession fears grow. Plus, officials are cracking down on egg smuggling, as the US faces a shortage.To learn more about how CNN protects listener privacy, visit cnn.com/privacy