challenge: What is the central argument made by Jill Leovy in her book Ghettoside?
  
  A. That racial profiling is the main obstacle to solving homicides in Los Angeles
  B. That poverty is the primary driver of inner-city violence
  C. That more effort must be given to arresting and incarcerating perpetrators of inner-city murders
  D. That community policing is the most effective way to reduce crime in urban areas
  Answer: 