At least it’s a dry heat … or something. Park rangers in Arizona took to social media on June 28 — just as the temperatures in the Grand Canyon State start reaching unbearable levels — to use some unconventional baking to push an important message about the dangers of leaving any living thing in a hot car. (Per the National Weather Service, June and July represent the hottest months on average in Tucson.) In what is something of an annual meme for the park rangers at Saguaro National Park in Tucson, the group decided to see just how far they could push the culinary baking skills of a car. …