To mark the 40th anniversary of the assassination of Martin Luther King Jr., Los Angeles author and political commentator Earl Ofari Hutchinson thought up the idea of having a 40-hour "murder moratorium" from 6:01 p.m., Friday, to 10:01 p.m. Sunday. Those 40 hours this past weekend saw three murders across Los Angeles county, two of which were in South LA, reported KNBC. A man was murdered one block away from the Watts Tower around noon......