Bob Dylan’s ex-wife sits on the bleachers in a smoky little Hoboken nightclub watching her latest son-in-law belting out his latest demo tape to an appreciative but slim audience of friends and scene-schemers. Bob Dylan’s ex-wife’s looks certainly belie her too many years of lawsuits and sleepless months: she’s still slim, dark, and her eyes still sparkle mischievously with the magics of eras gone by.