MSNBC Live with Thomas Roberts 05/30/13

Ricin letters, new polls on White House, Holder's full-court press

A new Quinnipiac University poll shows that President Obama's approval ratings took a dip following the AP, IRS, and Benghazi controversies surrounding his administration. Rep. Carolyn Maloney, D-N.Y., discusses. ... more Duration: {{video.duration.momentjs}}