Another attempt to locate four missing miners inside the explosion-hit Upper Big Branch mine was again called off due to lethal gas levels. Meanwhile, President Obama orders an investigation. NBC’s Ron Mott reports from Naoma, W. Va.
Auschwitz-Birkenau Concentration Camp, Oswiecim, Poland.Auschwitz death camp was in operation from May 1940 until its liberation by Soviet forces in January 1945. It is estimated that 2.1 to 2.5 million people were killed in the gas chambers during that time, of whom 2 million were Jews and the re