ABC's David Muir breaks silence on heartbreaking tragedy in rare(04)

ABC's David Muir breaks silence on heartbreaking tragedy in rare(04)

Image Gallery: Inside Muir's Home: We Uncover Who Is David Muir's Partner.

David Muir is on the move as he lists 'remarkable' 7.5m NYC home — see John Muir, Nature's Witness National Endowment for the Humanities ABC News evolves with anchor Muir amid stiff competition Inside David Muir's ultrastylish living room at his 7million New York ABC's David Muir breaks silence on heartbreaking tragedy in rare Inside David Muir's ultrastylish living room at his 7million New York