There's the podcast Serial that made a number of must-listen lists.
I really enjoyed Rachel Maddow's Bag Man, about the shenanigans VP Spiro Agnew pulled that got him in trouble and out of office.
I just finished listening to Floodlines put out by The Atlantic magazine. Fifteen years after Katrina, a look at history, policy, and the aftermath. The last episode has an interview with Michael Brown, head of FEMA, whose obituary will make reference to "You're doing a heck of a job, Brownie."
I don't care for the murdered wife retellings nor the long drawn out unsolved mystery. How m