The lawsuit against actor Malcolm Jamal-Warner’s mother should serve as a reminder to everyone to update estate plans and other documents regularly, lawyers say. On July 20, Tenisha Delilah Warner, “The Cosby Show” star’s widow, filed a lawsuit against the actor’s mother, Pamela Warner, claiming she’s owed more than $1.2 million under a premarital agreement. The agreement included a $1 million…
