WASHINGTON - The Supreme Court's decision to ban the execution of juvenile killers will not have an impact on any future Maryland prosecutions of convicted sniper Lee Boyd Malvo, but will have an impact should he be prosecuted in Louisiana. Maryland law didn't allow for anyone under 18 to be executed before the court's ruling. In Louisiana, the death penalty had been allowed for juveniles. "Now my intent will be to extradite Malvo to Louisiana and give him the maximum sentence allowable under Louisiana law, which is life without the suspense of probation or parole," John Sinquefield, chief assistant district...