While crossings at the U.S.-Mexico border are down, thousands of migrants that have entered the U.S. are now moving north, creating crises in several cities struggling to keep up. CBS News' Adriana Diaz visited a police station in Chicago, where migrants are staying because of a lack of other options.A CBS News investigation is revealing the story behind the Wagner group, a Russian private army with close ties to President Vladimir Putin that is heavily involved in the war in Ukraine. Our undercover video shows a vivid picture of the Wagner group's activities in central Africa, where it is accused of propping up dictatorships in return for minerals that help fund its paramilitary activities around the world. Former NFL player R.K. Russell made history as the first active NFL player to publicly identify as bisexual, and now he is sharing his story in a new memoir, "The Yards Between Us." He joins "CBS Mornings" to discuss his book, and share his ideas for making sports more inclusive and accepting."CBS Mornings" co-host Nate Burleson sits down with former President Barack Obama in Chicago to talk about the latest My Brother's Keeper initiative, the issue of gun violence in America and what keeps him up at night. He also tells Burleson that he didn't "fully appreciate" the "degree of stress and tension" former First Lady Michelle Obama was under while they were in the White House.Grammy-nominated star Jewel joins "CBS Mornings" for "Wellness Week," during Mental Health Awareness month, to talk about her personal journey with mental health and work as an advocate.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.