• Courtesy Wikimedia Commons
  • Stop me if you’ve heard this one: Derrick Rose to undergo major knee surgery

Reader staffers share stories that fascinate, alarm, amuse, or inspire us.

• About a Maraschino cherry company in Brooklyn that was discovered to be a front for a huge marijuana-growing operation? —Ben Sachs

• That Austin, Texas, is the country’s most economically segregated city? —Drew Hunt