Sandy Gallin Who Managed Michael Jackson, Mariah Carey, Dolly Parton Hospitalized with Blood Cancer (PHOTO GALLERIES)

Sandy Gallin — who repped the likes of Michael Jackson, Mariah Carey, Cher, Richard Pryor, Barbra Streisand, Whoopi Goldberg, Neil Diamond, Donny and Marie, and many, many others — is fighting for his life at an L.A. hospital after his cancer…

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