http://www.nytimes.com/2015/11/22/us...nton.html?_r=1

"Mr. Sanders zeros in on Wall Street donations to Mrs. Clinton in an aggressive new television commercial that started running in Iowa and New Hampshire on Saturday: "The truth is, you can't change a corrupt system by taking its money," he warns.

One of Mrs. Clinton's most prominent supporters in Ohio, former State Senator Nina Turner, defected to Mr. Sanders this month in part, she said, because she felt he would be tougher on special interests. And some Democratic superdelegates, whose backing is crucial, said Mrs. Clinton's ties to big banks, and her invocation of 9/11 to defend her ties to Wall Street at the Nov. 14 debate, only made them further question her independence from the financial industry."