By THOMAS MACHOWICZ and ANITA SNOW, Associated Press PHOENIX (AP) — Homeless in America's hottest big metro, Stefon James Dewitt Livengood was laid out for days inside his makeshift dwelling, struggling to breath, nauseous and vomiting. Every day this month, temperatures have soared past 110 degrees Fahrenheit (43.3 degrees Celsius). Livengood said he stopped briefly […]