J is clued by J CREW (36A. Retail clothing giant … or a description of 17- and 54-Across and 10- and 24-Down?). The four are JESSE JAMES (17A. Brother outlaw in the Wild West); JOE JACKSON (54A. White Sox outfielder nicknamed Shoeless); JANIS JOPLIN (10D. “Me and Bobby McGee” singer, 1971); JACOB