A publicist says popular game show host Bob Barker, a household name for a half-century as host of “Truth or Consequences” and “The Price Is Right,” has died at his home in Los Angeles. Barker was 99. Barker — also a longtime animal rights activist — died Saturday morning, according to publicist Roger Neal. “I am so proud of the trailblazing work Barker and I did together to expose the cruelty to animals in the entertainment industry and including working to improve the plight of abused and exploited animals in the United States and internationally,” said Nancy Burnet, his longtime friend and caretaker, in a statement. Barker retired in June 2007, telling his studio audience: “I thank you, thank you, thank you for inviting me into your home for more than 50 years.” Barker was working in radio in 1956 when producer Ralph Edwards invited him to audition as the new host of “Truth or Consequences,” a game show in which audience members had to do wacky stunts — the “consequence” — if they failed to answer a question — the “truth,” which was always the silly punchline to a riddle no one was ever meant to furnish.