, 7 L. .2d 769 (Douglas, Circuit Justice) (prof tion of witnesses) (1962); Fernandez United Page 8 States, 81 S.Ct. 642, 5 L.Ed.2d 683 (1961) (Harlan, Circuit Judge) (protection of wit- nesses and "ollerly progress of the trial"); United States Abrahams, 575 F.2d 3 (1st Cir.) (risk of ight), cert. denied