Sources tell CNN the DOJ informed Donald Trump's legal team he’s a target in the Mar-a-Lago classified documents investigation. Could an indictment be near? Plus, wildfire smoke from Canada engulfs the East Coast and pushes South, forcing the grounding of aircraft and school closures. And, Mike Pence delivers his toughest takedown yet, saying Donald Trump should, “never be president again” in last night's CNN Town Hall.Also this morning: a one-on-one with GOP presidential candidate Doug Burnum, Supreme Court justice’s financial disclosure details, a survivor of the Iowa apartment building collapse speaks out, Pope Francis’ condition after undergoing abdominal surgery, and “Dr. Deep Sea” nears the end of his 100-day underwater mission.To learn more about how CNN protects listener privacy, visit cnn.com/privacy