Reuters: A heatwave blamed for raging bushfires and a spate of deaths eased a little in Australia’s densely populated southeast on Saturday, but a ban on lighting fires in the open remained in force. Temperatures slipped below 40 degrees Celsius (104 degrees Fahrenheit) in most major centers for the first time in several days, but parts of Melbourne and Adelaide still recorded temperatures above that mark. Although the bushfires had subsided somewhat, Prime Minister Kevin Rudd warned …