Television's iron man continues to forge on. Bob Barker will start his 35th season as the host of "The Price Is Right" on Sept. 18. Johnny Carson once held the record for continuous tenure with the same show: 29 years. Barker broke it in 2002. And Merv Griffin's game-show classics "Jeopardy!" and "Wheel of Fortune" are years behind "Price," the longest-running game show in TV history. Barker's approach, like the show's set, has remained essentially unchanged since he arrived Sept. 4, 1972 to host what was then called "The New Price Is Right": wholesome, playful and family friendly. He's weathered...