Having a sister means always having to say you're sorry.What can make sisters stop talking to each other for years? If it's the Peltz sisters, just about anything can touch off an estrangement! In fact, the latest spat between Deborah, a soap opera writer in New York, and Sharon, a wedding planner in Boca Raton, has lasted two years. But when their mother has a heart attack, the sisters... (read more)