LOS ANGELES—Jonas Valančiūnas scored 29 of his career-high 39 points in a spectacular first half, and the New Orleans Pelicans beat the Los Angeles Clippers for the second time this month, 123-104 on Monday night. New Orleans rolled to a 21-point lead in the first half with a phenomenal effort from Valančiūnas, the 10-year Lithuanian veteran in his first season with the Pelicans. The 6-foot-11 Valančiūnas hit seven 3-pointers without a miss in the first half to the increasing delight of his teammates and even himself. “The guys were calling him Dirk Valančiūnas,” New Orleans coach Willie Green said with a grin. Valančiūnas isn’t quite ready to call himself the next Dirk Nowitzki, even if he resembled the Dallas great at times. “Everybody wants to be him,” Valančiūnas said. “He’s one of the greatest big guys in the game, but I’ve still got to work a lot to be like …