Explain to me why bad behavior by some Sanders supporters is an indictment of him again?

[TomCADem]

4. Explain to me why bad behavior by some Trump supporters is an indictment of him again?

Bernie argument that "all campaigns need to crack down," brings to mind Trump's "all sides" defense of his racist supporters. Can Bernie do more? Absolutely. What can Bernie do? Well, here are some examples:

First, President Obama was class personified even in the midst of a campaign. He was respectful of John McCain:

John McCain, in turn, was not afraid to disagree with supporters who were spouting the worst Fox News attacks on President Obama:

In sharp contrast, Bernie's campaign has argued that reports about the behavior of supporters are not true and due to media bias or they have tried to argue that everyone behaves the way their supporters due. Even as his surrogates actively encourage attacks on well known Democrats:

Bernie has made a career of burning down the Democratic party to elevate himself. His unwillingness to accept responsibility in reminiscent of Trump. The next time Bernie Sanders campaign cheer leads the booing of another Democrat, consider the example of President Obama: