Jack Levitt, center, wearing white, and others wrap up a discussion of current events Tuesday at Shir Tikvah synagogue in Homewood. (Ted Slowik / Daily Southtown) I’m impressed with the Shalom Over 50 group of Jewish senior citizens who gather weekly for lunch and fellowship at Shir Tikvah synagogue in Homewood. JCC Chicago invites me to meet regularly with the group. The organization shortened its name from Jewish Community Centers and presents an annual film festival, runs youth summer camps and sponsors other programs. Advertisement I first met with the group several years ago at Temple Anshe Sholom in Olympia...