The 48-year-old president of the Washington-based Black Lawyers for Justice is a controversial figure who has made appearances at protests over police brutality in Ferguson, Missouri, and Charleston, South Carolina.
Missouri joins only South Dakota and Utah in making such an unreasonable demand.
Clearly, these divisions exist across America and sometimes flare up; Missouri is used to the fissures, but not to the flare-ups.
Klinger, the Missouri criminologist, has been meeting with the Los Angeles police department to develop a new model for police reporting that would track not just fatal encounters, but all intentional discharges of firearms by police.
The build-up to the convention has been overshadowed by the highly controversial "legitimate rape" remarks made by Todd Atkin, a congressman from Missouri, and his subsequent refusal to quit his bid for re-election despite pressure from the party's leadership.
If Missouri or any other American state with similar conflicts – racial, religious, political, whatever – have any hope of healing, it lies with those who are serious and sturdy enough to ditch their petrified opinions, to embrace complexity and to absorb facts that make them uneasy.
Missouri doesn't show good reasons to keep it going.
Relatives who have lost loved ones at the hands of UK police will stage a demonstration outside the US embassy in London in solidarity with the family and supporters of US teenager Michael Brown, shot dead by a police officer in Ferguson, Missouri.
For a second night in a row, racially charged protests took place around the US after a Missouri grand jury decided not to indict a white policeman in the fatal shooting of unarmed black teenager, Michael Brown.
