Name: What’s happening
Uploaded: Tue Apr 23 2013 00:00:00 GMT+0000 (UTC)
Duration: 2 min 42 s
Description: Bill Wolff, executive producer of the Rachel Maddow Show, shares a preview of tonight’s show – the latest on the Boston bombings case, plus an update on the suspect in the case of the ricin-laced letter sent to President Obama last week and a look at what it means when someone hacks the Associated Press Twitter account.

April 23, 201302:42