When Rob Schwartz, founder of the Hidden Light Institute (HLI) and a former chief of staff to Senator Joe Lieberman, approached Stamford resident Judith Lupatkin-Bernstein for support for his planned documentary on the life of Israeli Prime Minister Menachem Begin, the idea struck a deep chord within her. “I have a passion for filmmaking, for how film reflects on culture and for how culture is reflected by film,” said Lupatkin-Bernstein, who has worked for USA Networks and NBCUniversal and is now manager of program marketing at HBO. “I love being able to combine so many parts of my life in one project: my love of the Jewish people, my love of documentaries, and my love of marketing films.” Today, Lupatkin-Bernstein is vice chair of the board of HLI and the film “Upheaval: The Journey of Menachem Begin” is earning plaudits at festivals around the country.