Cities throughout the West and Midwest are still suffering from record high temperatures. In Phoenix at least 21 people have died because of the high heat. Hardest hit have been the city’s homeless population. Three more people have died in Chicago — where the temperature hit 104 yesterday, just shy of the city’s all-time record. Over the past week 200 cities and towns in the West have set daily record highs. In Denver, the thermometer hit 105 degrees Wednesday tying it for the hottest day ever in the city.