David Birney, star of TV’s “Bridget Loves Bernie” and “St. Elsewhere” and Broadway’s “Amadeus,” died Friday at his home in Santa Monica, Calif., after a five-year battle with Alzheimer’s disease. He was 83. The veteran actor’s passing was confirmed by “life partner” Michele Roberge, the New York Times reported. Birney first gained mainstream fame in 1972 opposite his future wife Meredith Baxter in the CBS sitcom “Bridget Loves Bernie.” The show was popular — slotted between ratings juggernauts “The Mary Tyler Moore Show” and “All in the Family — but short-lived thanks to controversial protests by Jewish groups who disagreed...