Decatur Ready For Attack TrialAs Entire World Watches OutcomeBy CARTER BROORE JONESI. N. S. Staff Correspondent DECATUR, Ala., March 25 Scattered forces in the assault retrial of seven Scottsboro negroes, a case that has stirred international echoes in labor circles, began converging on this little city today for the start of Alabama’scause Celebre” Monday.Although the tranquillity of theriver community appeared unruffled. Governor Miller, at the request of Sheriff B. E. Davis, ordered a detachment of national guardsmen here to assure order.A delay in, the, proceedings cropped up today as the defense prepared to interpose a motion to quash the indictment on a ground that may carry the case to the United States supreme court for asecond time—that negroes were prevented from serving on the grand jury, and also were excluded arbitrarily from the venire, from which a trial Jury is to be picked.This, the defense will contend, violates the constitutional rights(Turn to Page 9, Column 7)