HER — Spike Jonze is interested in loneliness. His new film, Her, is a semi-futuristic exploration of one lonely man’s struggle to learn what love is and what love is not. Here’s what we know about Theodore Twombly (Joaquin Phoenix). He has a broken heart. His marriage to Catherine has come to a devastatingly sad end. At BeautifulHandwrittenLetters.com, he writes heartfelt, warm, romantic letters; to other people’s loves. The feelings he puts in the letters mean nothing to him. He’s afraid to open his heart again. Why is he so scared? Having his wife leave him doesn’t help. But, where else might...