Morris U. Schappes (pronounced "SHAP-pess", born Moishe Shapshilevich; 1907–2004) was an American educator, writer, radical political activist, historian, and magazine editor.
 Schappes is best remembered for a 1941 perjury conviction obtained in association with testimony before the Rapp-Coudert Committee investigating Communism in education in New York, and as the long-time editor of the radical magazine "Jewish Currents."
Jeff Shulman (born February 18, 1975) is the editor of "Card Player Magazine", and an American poker player with a record of success in tournament play, based in Las Vegas, Nevada.
 He is the son of Jan Shulman and Barry Shulman.
 Shulman's father, Barry, is an accomplished poker player and CEO of "Card Player".
Adam Schoenfeld is an American professional poker player and former columnist for "Card Player" magazine.
 Schoenfeld decided to quit his job as the vice president of an Internet analysis firm, Jupiter Communications, in order to play poker full-time.
Andy Frankenberger is a professional poker player and former equity derivatives trader from New York City.
 In his first year as a professional poker player, Frankenberger was named World Poker Tour (WPT) Season IX Player of the Year.
 Card Player Magazine described this as one of poker's best rookie years in a September 2011 cover story.
 Frankenberger followed this up by winning back to back bracelets at the World Series of Poker in 2011 and 2012.
 He has been prominently featured in financial media including The Wall Street Journal, Fox Business Network, and Bloomberg Television.
The California Grand Casino is a cardroom located in Pacheco, California.
 The original hotel and card room was a Pony Express stop in 1860.
 According to "Card Player" magazine, the California Grand Casino is the oldest continuously operating poker room in the world, with poker games since 1854.
Jewish Currents is a progressive, secular Jewish quarterly magazine that carries on the insurgent tradition of the Jewish left through independent journalism, political commentary, and a "countercultural" approach to Jewish arts and literature.
Isaac Baron (born July 10, 1987) an American professional poker player from Menlo Park, California.
 He was the winner of the first Card Player Magazine Online Poker Player of the Year Award in 2007.
Card Player magazine is an industry publication and web portal specializing in poker media, poker strategy and poker tournament coverage.
Michael Wiesenberg made his living playing poker for 10 years before turning to a career as technical writer in the computer field.
 His books reflect those two careers: "Free Money: How to Win in the Cardrooms of California" (published by Gambling Times Press and distributed by Lyle Stuart, 1984), and "Puzzled Programmers" (Microsoft Press, 1987), a collection of short stories, each of which introduces a mathematical puzzle best solved by computer, with solutions presented in three programming languages.
 He also coauthored a pioneering book on desktop publishing, and has been a Card Player Magazine columnist since the inception of the magazine (1988).
 He was also the editor for four years of two newsletters sent twice-monthly through Card Player's website and the content editor of the site.
Cathy 'Cat' Hulbert is a retired American professional gambler.
 She was one of the world's first professional female card counters. "
Card Player" magazine named her one of the top 7-card stud players in the world in 1996.

Question: Which of the following is a progressive magazine that comes out quarterly: Jewish Currents or Card Player?
Answer: Jewish Currents