Dalton v. United States

establishing five nonconclusive guidelines for determining the propriety of granting the writ | establishing five noncon-clusive guidelines for determining the propriety of granting the writ | order transferring venue of an action, even if the transfer is to a district in another circuit, is interlocutory and unappealable except by certification | order transferring venue of an action, even if the transfer is to a district in another circuit, is interlocutory and unap-pealable except by certification