PHOENIX — A 27-foot-tall dinosaur that lived about 100 million years ago could soon have something in common with the cactus wren, the palo verde and even the Colt single action revolver: becoming part of "official'' Arizona. Members of the House Government Committee on Thursday gave their unanimous endorsement to the pleas of 11-year-old Jax Weldon to designate the Sonorasaurus as the "official state dinosaur.'' That sends SB 1517, which already has been approved by the Senate, to the full House. Weldon, a self-proclaimed amateur paleontologist, told lawmakers he was inspired after California lawmakers voted last year to select the...