WASHINGTON (AP) — Hillary Clinton is closing in fast on the Democratic presidential nomination with the help of superdelegates. After losing three of four state contests in May, Clinton has maintained a lead over Bernie Sanders of 271 pledged delegates won in primaries and caucuses. Just 78 delegates short, Clinton remains on a glide path to reaching 2,383 on June 7 after polls close at 8 p.m. EDT in New Jersey. The totals do not include Iowa, Nevada, Maine, Alaska, Washington and Wyoming — caucus states where the AP tabulated delegate equivalents, not raw votes. WINNING A MAJORITY OF PLEDGED DELEGATES Because of Clinton’s big lead, Sanders must flip more than 200 of her superdelegates if he hopes to reach 2,383. […] in order to sway them, Sanders will have to win a majority of pledged delegates from primaries and caucuses, his senior strategist Tad Devine has acknowledged. Superdelegates have never before lifted a candidate to the nomination when he or she trailed in the number of pledged delegates. Many are state party chairs, vice chairs or top officials such as President Barack Obama, who are declining to publicly express a preference for now.