NEW ORLEANS — Norman Powell scored 35 points, James Harden hit go-ahead free throws with 17.9 seconds left and the Los Angeles Clippers held on to defeat the New Orleans Pelicans 116-113 on Monday night. With the Pelicans — losers of 10 straight and 19 of 20 — trying to tie the game, Harden adroitly fouled rookie center Yves Missi, …