Locals bake cookies in CARS and complain of melting roads Searing heatwave is forecast to bring 110F temps to Phoenix for 30th day today Even Arizona's hardy Saguaro cactuses are dying in the blistering heat Temps are hot enough to melt dog toys, bake cookies in cars, and soften roads A searing heat wave that continues to blister much of the US is so hot that even Arizona's iconic cactuses are dying off. In Phoenix, Saturday is forecast to be the 30th consecutive day with high temperatures above 110F, a streak that has shattered all records for the city, with...