Melissa Harris-Perry 01/04/15

'Collective grieving process' for slain NYPD officers

Marquez Claxton, Ed Pawlowski, Khalil Gibran Muhammad, Amy Goodman and Blair Kelley join to talk about the emotional impact of the recent killing of NYPD officers Wenjian Liu and Rafael Ramos on police officers. ... more Duration: {{video.duration.momentjs}}