Utter disaster. More than one in every five ballots cast in New York City got discarded in the state’s June 23rd primary, raising all sorts of questions about who actually won the congressional nominations and other races. Voters didn’t get proper instructions, the postal service wasn’t prepared, and that will leave a permanent cloud over all the results: The mail-in ballots of more than 84,000 New York City Democrats who sought to vote in the presidential primary were disqualified, according to new figures released by the Board of Elections.The city BOE received 403,103 mail-in ballots for the June 23...