Earlier this month, police killed four people on a South Florida highway: two robbery suspects, their apparent hostage, and a bystander. Whether they were right to do so is being fiercely debated. But as Dave tells the Washington Post, the key question is whether the officers' actions were in line with department policies.
Read MoreFrom marijuana legalization to voter re-enfranchisement, criminal justice-related referenda were all over this year's ballots. Dave breaks down 2018 midterm election results.
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