David Mamet. (Andrew H. Walker/Getty Images)

• Nuclear talks are back on between Iran and the United States, Russia, China, France, Britain, Germany, and Iran. [Reuters]

• Police have made four more arrests related to the recent knockout attacks, the oldest of whom is 14 years old and the youngest 11. [JTA]

• Marc Tracy, Jewish Christmas’ #1 fan. [The New Republic]

• Knesset Member Hana Sweid, who is Christian, has requested a Christmas tree be placed at the entrance to the Knesset. [Times of Israel]

• David Mamet is working on a miniseries for Fox based on the seven deadly sins. I’m not watching unless daughter Zosia stars. [Vulture]

• Alexis Madrigal stumbled upon an epic challah joint in Santa Cruz, CA: “‘You’re the Jiro of challah,’ I said to him, but it was hard to explain without a lot of context.” [The Atlantic]