A C-17 military cargo plane on a training mission crashed near Elmendorf Air Force Base in Alaska, four crewmen remain missing. As Arizona's modified immigration law takes effect today, Gov. Jan Brewer vows the state will prevail on any appeals. The House voted yesterday to even out differences in sentencing guidelines for crack and powder cocaine. A fight is brewing in the Cameron government over austerity measures and reductions in nuclear defense spending in Britain. Amazon is rolling out a WiFi only version of the popular Kindle for $139, undercutting Barnes and Noble's $149 Nook reader as price wars heat up.