In today's NYT: Black voters are heavily represented in the 94th Election District in Harlem's 70th Assembly District. Yet according to the unofficial results from the New York Democratic primary last week, not a single vote in the district was cast for Senator Barack Obama...City election officials this week said that their formal review of the results, which will not be completed for weeks, had confirmed some major discrepancies between the vote totals reported publicly -- and unofficially -- on primary night and the actual tally on hundreds of voting machines across the city.