392 U.S. 206 392 U.S. 206 88 S.Ct. 1970 20 L.Ed.2d 1037 CHENG FAN KWOK, Petitioner,v.IMMIGRATION AND NATURALIZATION SERVICE. No. 638. Argued May 2, 1968. Decided June 10, 1968. Jules E. Coven, New York City, for petitioner. Charles Gordon, Washington, D.C., for respondent. William H. Dempsey, Jr., Washington, D.C., as amicus curiae, in support of […]