LOS ANGELES (Reuters) - In his book "Making Rumours," record producer Ken Caillat recounts with humor and detail the tumultuous year of betrayal, drama and rock ‘n' roll excess behind recording Fleetwood Mac's 1977 "Rumours" album, which has sold over 40 million copies. Caillat, who counts Billy Idol, The Beach Boys and Alice Cooper among his many producing credits along with Fleetwood Mac, has more recently been instrumental in the career of his singer-songwriter daughter Colbie Caillat, who has sold over 6 million albums worldwide and scored a major hit with "Bubbly. ...