Director Maya Forbes tells about her family and its struggles with depression, poverty and sex discrimination in her new film, "Infinitely Polar Bear."The film is not like other Hollywood movies that have a happy ending.Instead "Infinitely Polar Bear" tells about an American family and how it reacted to events -- some of them humorous, and others serious -- back in the 1970s.VOA's Penelope Poulou spoke recently with Maya Forbes about how her childhood struggles helped her become a successful film writer, producer and director.Actor Mark Rufallo as Cameron Stuart: "We can go to the Museum of Fine Arts and look at great-grandpapa's portrait."Actress Imogene Wolodarsky as Cameron Stuart's daughter Amelia: "Why is his portrait hanging in a museum?"Mark Rufallo: "Because a very important artist named John Singer Sargent painted it."Imogene Wolodarsky: "Why?"Mark Rufallo: "Why? Don't you know who we are?"Actor Mark Rufallo plays Cameron Stuart, a member of a once-powerful family.His ancestors had a lot of money many years ago, but now the family has very little.Cameron Stuart has a severe mental condition. He suffers from manic depression, also known as bipolar disorder.