LOS ANGELES (Reuters) – Actors Danny DeVito and Rhea Perlman are separating after 30 years of marriage, DeVito's spokesman said on Monday. Stan Rosenfeld said the pair had split but gave no details. DeVito and Perlman married in 1982 and have three adult children. The duo, both known for playing characters with sharp tongues, acted alongside each other in the 1978-82 TV comedy "Taxi," in which she had a recurring role as his character's girlfriend, and in the 1996 children's film "Matilda. …