WHITE PLAINS, N.Y. - This will probably be the first time a dog's memorial service is attended by 300 cats. A schnauzer-Siberian husky mix named Ginny will be eulogized Nov. 19 at the Westchester Cat Show, where she was named Cat of the Year in 1998 for her uncanny skill and bravery in finding and rescuing endangered tabbies. "It'll be right during the show, with the judging going on and all the cats out there on the floor," said Leslie Masson, a spokeswoman for the Westchester Feline Club, which sponsors the show. "We'll call for quiet, and then a few...