GOP debate breakdown. Scientists recreate the noise of the Aztec Death Whistle. Rising crime in America. New conspiracy theories. Late night hosts return to work at WGA strike ends. Latest CPI numbers. Colin Kaepernick sends letter to Jets requesting position on practice squad. CDC asks doctors to look out for potential cases of Marburg virus. Jim Kennedy, Kennedy Intstiute for Public Policy Research, gives his take aways from the debate. Racism is big business.