"Alright class, sorry I'm late, sorry I'm late. I got stuck in the parking lot. Had to help Security; a woman dropped her purse down one of those man hole things at the entrance to the building. The kind that just look like prison bars? I don't know what that one is for, maybe access to a tunnel or something. Anyway, I had a crowbar in my trunk. which I lent them to prop the thing up and get the purse out. Luckily. Had her phone in it, wallet, keys. She got lucky. Ok, moving on. Moral of the story, always carry a crowbar. So, we left off last class discussing South American agriculture. We were talking about staples: corn, wheat, amaranth with a focus on the medicinal uses and values of plants, herbs and spices..."