Supporters of Sen. Bernie Sanders were stung by an editorial board meeting with the Daily News that proved damaging to his campaign, but the primary local organization advising him on New York is not saying why it failed to prevent the slip-up.

The Working Families Party, which is led by veterans of New York politics, is helping Sanders navigate the state's tricky political waters. But either the party did not warn him of the risks of having Sanders sit down with the editorial board, or its warnings were ignored by the Sanders campaign.

"Gonna pass on this one," emailed the Working Families Party's New York state director, Bill Lipton, in response to an inquiry from Crain's. "Hope you understand."

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The Sanders campaign's decision to meet with the paper's board suggests that his inner circle does not know much about New York City and that members of the Sanders team who do, namely leaders of the Working Families Party, were not consulted or just made the wrong call. Perhaps they assumed that the Daily News' harsh treatment of Donald Trump in recent months was a sign that it would be favorable to Sanders. So, Sanders walked in unprepared for an ambush, even falling for the gotcha question, "How do you get on the subway today?" (Sanders answered, "You get a token and you get in.&quot