""The first of my father's illusions was that bears could survive the life lived by human beings, and the second was that human beings could survive a life led in hotels.""So says John Berry, son of a hapless dreamer, brother to a cadre of eccentric siblings, and chronicler of the lives lived, the loves experienced, the deaths met, and the myriad strange and wonderful times encountered by the family Berry. Hoteliers, pet-bear owners, friends of Freud (the animal trainer and vaudevillian, that is), and playthings of mad fate, they "dream on" in a funny, sad, outrageous, and moving novel by the remarkable author of "A Widow for One Year" and "The Cider House Rules,"