FILE -In this March 29, 1968 file photo, striking Memphis sanitation workers march past Tennessee National Guard troops with fixed bayonets during a 20-block march to City Hall, one day after a ... more 
FILE -In this March 29, 1968 file photo, striking Memphis sanitation workers march past Tennessee National Guard troops with fixed bayonets during a 20-block march to City Hall, one day after a similar march erupted in violence, leaving one person dead and several injured. Forty-five years after Martin Luther King Jr. was killed supporting a historic sanitation workers strike in Memphis, the city’s garbage and trash collectors are fighting to hold on to jobs that some city leaders want to hand over to a private company. (AP Photo/Charlie Kelly, File) less 
1 / 30
Associated Press | Photo By Charlie Kelly, File
Wed, Apr 3, 2013 5:04 AM EDT