Albert Ellis, whose innovative straight-talk approach to psychotherapy made him one of the most influential and provocative figures in modern psychology, died yesterday at his home above the institute he founded in Manhattan. He was 93. The cause, after extended illness, was kidney and heart failure, said a friend and spokeswoman, Gayle Rosellini. Dr. Ellis (he had a doctorate but not a medical degree) called his approach rational emotive behavior therapy, or R.E.B.T. Developed in the 1950s, it challenged the deliberate, slow-moving methodology of Sigmund Freud, the prevailing psychotherapeutic treatment at the time. Where the Freudians maintained that a painstaking...