Did Michelle Goldberg just admit to coordinating an attack on Sanders with the Clinton campaign?

Clinton has not hit Sanders with a single negative ad. Not one…The Sanderistas appear to believe they were treated unfairly, even viciously, in this primary. In fact, they’ve been handled incredibly gingerly. – Michelle Goldberg

The Clinton campaign openly coordinates its messaging with super PACs. The super PACs, in turn, coordinate their messaging with…