He faces long odds in trying to unseat Congressman Scott Garrett the 5th Congressional District (which sided with George W. Bush over John Kerry by a whopping 14 points last year) but Democrat Paul Aronsohn doesn’t lack for backers in New York City. Last week, Aronsohn, who served as James E. McGreevey’s first gubernatorial press secretary and who now works as a public affairs executive for Pfizer, was feted at a $1,000-a-head fundraiser at the Upper East Side home of David Chu, the founder of the Nautica fashion brand. Richard Holbrooke, who served as a UN ambassador under Bill Clinton, was one of the event’s featured attractions. Aronsohn worked for Holbrooke before his stint in Trenton. Also on hand was Dannny Federicci, a member of the E. Street Band. How much Aronsohn raised– and how much cash he has on hand– remains a mystery, since he has only launched an exploratory committee and isn’t required to file campaign finance reports. He faces D. Anne Wolfe, who won 41% of the vote against Garrett in 2004, in next spring’s Democratic primary. Wolfe has about $65,000 in cash on-hand.