Yo-yo magic PHOTOS BYJEFF GRANIT staff Clockwise from top: Pat Cuartero, the reigning yo-yo world champion, works his magic in front of an audience at the East Brunswick Public Library Feb. 16. Lee Rosenthal and son Sean, 8, of East Brunswick, hold their spinning yo-yo. Jake Sacktig, 6, of East Brunswick, has a yo-yo measured and adjusted by Cuartero.