By Mary McNamara, Los Angeles TimesLOS ANGELES — In his just-published memoir, “Sitcom,” Chuck Lorre doesn’t turn his life into a joke, exactly, though the voice that fueled series as disparate as “Mike & Molly,” “The Big Bang Theory,” “Mom” and “The Kominsky Method” also knows how to land a punch line in autobiographical prose. And for a story that chronicles Lorre’s literal rags-to-riches rise from, as he describes in the opening chapter, “an alcoholic, acid freak, pothead, college dropout, failed musician” with near-fatal colitis, to a career that generated enough hits for him to be anointed the “King of...