Songwriter, manager, A&R man, producer, director, impresario, diehard L.A. Lakers fan – in his eighty years, Lou Adler has worn all of those labels proudly.  It’s hard to believe that the same man behind The Rocky Horror Show – both on stage and on screen – and Cheech and Chong’s Up in Smoke also helmed one of the most successful records ever in Carole King’s Tapestry, or that the same man penned a bona fide standard in Sam Cooke’s “Wonderful World.”  But much of Lou Adler’s extraordinary career has defied belief, and…