The country music singer Mindy McCready has said in an email to The Associated Press that she will not return her 5-year-old son Zander to Florida despite court orders that she return the boy to his guardian, McCready's mother.  The singer, who is pregnant with twins, alleges that her mother has abused the child since winning custody of him in 2007 while the embattled singer underwent substance abuse rehabilitation and survived an apparent suicide attempt.  The AP reported that the court's current role is to enforce the custody arrangement, not make judgments about the status of that arrangement: