Bernie Sanders to Seth Meyers: If Clinton campaign attacks, we will push back

"Late Night" host Seth Meyers last night welcomed Bernie Sanders as his guest. Meyers pressed Sanders on the increasing nastiness (hugging, still, relative to mudslinging on the other side of the aisle) between him and Hillary Clinton."I think the Clinton campaign has been getting a little bit nervous," Sanders said. "And I think they have been getting more negative. And I hope very much that we can have an issue-oriented campaign.""But if people attack me and distort my record, we will respond,