Per Curiam.
The petitions for writs of certiorari in Nos. 194, 195, 196 and 197, and the motions for leave to proceed in forma pauperis, as well as the petitions for certiorari in No. 79, Misc., No. 80, Misc., No. 115, Misc., No. 149, Misc., and No. 224, Misc., are granted.
The judgment of the Court of Appeals for the Second Circuit is vacated and the cases are remanded to that court for reconsideration in light of Campbell v. United States, 373 U. S. 487, and for such further consideration as may be appropriate.