Now that we've had a few days to exhale from the massacre of Dallas police officers by Micah Xavier Johnson (below) who said that he "wanted to kill white people...especially cops," let's bring in a mix of voices. WAPO: White America's worst nightmare - black men who sow disillusionment NY Times: data shows no bias in police shootings but more physical contact with African Americans NOLA: Baton Rouge police have a history of brutality toward blacks DO THE NUMBERS: Fewer black people are shot by police than white or Hispanic people; and the percentage of crimes by various races illustrates how police are more often patrolling African American neighborhoods DATA: The color of crime is another issue that must be part of the