sanders new tv ad, toughest one yet. even if it does not mention hillary clinton by name it does mention the trading firm by which hillary clinton has taken speaking fees. take a listen. >> one of the wall street banks that triggered the financial meltdown, goldman sachs, just settled with authorities for their part in the crisis that put 7 million out of work and millions out of their homes. how does wall street get away with it? millions in campaign contributions and speaking fees. >> joining me now from des moines, iowa, msnbc political