Walz’s departure has his party facing a tough series of tests at the ballot box, with the jaw-dropping scale of the Somali scandal threatening to overshadow everything.

David Bowie’s had a vigorous afterlife since dying in New York 10 years ago. He conquered Billboard’s album chart for the first time in his career with the dark jazzy masterpiece “Blackstar,” released Jan. 8, 2016 — just two days before his death. His best-known singles surged back into the top 100 on both sides...